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Teaching and learning the Arabic language is of particular importance from a religious and legal point of view in Iran. Therefore, it is necessary to always maintain the position of this language both in the domestic and international arenas. The purpose of this article is to present a model for reforming the teaching and learning system of Arabic as a second language, relying on the identification of visible and hidden factors affecting it, as well as identifying the obstacles facing this issue. The basis of data collection was based on qualitative methods and specially conducting structured interviews with 10 professors of sociology of language. The analysis of the collected data has been done using the process of qualitative content analysis. AHP model and Expert Choise software have also been used to weight the research components.
 The results of this article show that the tendency to teach and learn Arabic as a second language is strongly influenced by basic factors such as social, psychological and economic factors. The value of AHP coefficient was obtained for social indicators (0.403), psychological indicators (0.364) and economic indicators (0.234). The results also show that the barriers and bottlenecks in the second language teaching and learning process in Iran were identified and classified in order of importance in six areas: legal barriers, political barriers, structural barriers, social barriers, cultural barriers and economic barriers.

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One of most important requirements for every state in the political management of the national space is development of national and international transportation networks as one of criteria of development. National transportation is in connection with information, thoughts and human movements throughout different regions of the country and also with global system. The main question of the research is that “what is the situation and ranking of the states in the national and international transportation network and which strategies should Iran take regarding its position in this system?” The research method adopted here is descriptive-analytic and data gathering procedure is based on library findings. EXCEL is used to measure the states performance in national transportation network using Matrix and SAR methods. In national transportation, four modes of railroad, road, sea and air are selected, and 6 variants are selected for each of the modes, totally 24 variants. The data are collected for 180 states and then are analyzed. Based on the findings, in national transportation the states are categorized into five categories. Iran is ranked in third category (with global rank 53) and has a middle performance and is ranked 4^th in regional level.

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Oil as the most important strategic commodity in Southwest Asian countries has a particular political and economic weight. Prior to the instability in oil prices which began in late 2013, the macroeconomic challenges were managed by the oil states. With the collection of systematic geopolitical rivalries in Southwest Asia, the emergence of alternative oils in the United States of America and turbulence in Geo-economic areas of the Middle East, major challenges in the political economy of oil-producing countries have been created. The Islamic Republic of Iran as one of the oil centers of Southwest Asia has experienced unstable oil prices in line with a set of challenges. Given the strategic importance of oil in Iran's political and economic basket, the present study examines the role of the structure-agency in political economy of oil in Iran. The research approach is based on the Structuration theory. The results indicate that the heterogeneity of structure-agency within the framework of the increased participation of government and interrupter factors with the economic-political background, are among the major challenges in Iran’s political economy of oil. Therefore, systematic management and integration of structure-agency can handle the challenges of Iran's income from oil prices.

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One of the most important factors in the economic development of countries is the growth of the foreign sector of the international economy and trade. In other words, having extensive trade exchanges is one of the main factors of the economic growth of countries. In this regard, one of the new topics in the field of organizations is the application of the concepts of digitalization and information technology in the management of service and production organizations which take place in the fourth industrial revolution. The purpose of this study is to evaluate the current situation of Iran's customs in terms of the components of the Fourth Industrial Revolution. The current study is applied research because in addition to the scientific aspect, it will also have a practical aspect for companies and organizations, especially customs. In terms of method, the present study is quantitative research examining the current situation, the obtained data are classified into seven main categories: Utilization of modern technologies, facilities and infrastructure, cooperation and interaction, policies and laws, management and planning, international and external factors and the structure of the organization. The results showed that the current situation of customs has been favorable in terms of the components of the fourth industrial revolution.

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The purpose of this study is to analyze the challenges of political marketing with the approach of using the soft power of the Islamic Republic of Iran. Categories related to each of them were extracted using content analysis method and these 6 groups were ranked using Friedman test by SPSS26 software. According to the results, the highest ranking was given to the techniques used in international political marketing with the approach of diplomacy, media power, ideological power, cultural power, economic power and management system power. Persuasion and third place became the most prominent dimension of international political marketing, namely national identity. Iran's current position in terms of identity, international prestige and economic identity ranks fourth, restrictions on the use of political marketing ranks fifth with unique ideological approach, financial challenges and theoretical poverty and the most effective Iranian foreign policy discourse ranks sixth with de-escalation and balance discourse approach. Finally, the analytical model of political marketing affected by limitations, necessities and the most significant dimension using effective techniques and the best discourse in promoting Iran's current position in the economic field and strengthening the international image are presented. Practical suggestions are also provided based on research questions for the Ministry of Foreign Affairs, the Economic Deputy of this agency and non-governmental organizations including the Red Crescent and other responsible agencies and organizations.

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As an important country in West Asia, Turkey has an influential position on Iran's foreign policy, and considering the bilateral and trans-regional relations in the relations between the two countries, it can be very important from a geopolitical point of view. Developments in recent years in Turkey have been mainly related to the foreign policy of that country. Relations between Turkey and Iran have undergone many changes throughout history. The two countries are considered as powerful non-Arab countries in the region that have common geographical and cultural features and do not consider each other as an existential threat. In recent years, political differences between the two countries over Syria and sometimes Iraq have led to political disputes between them. This scientific study examines the impact of Turkey's geopolitical actions in Iraq and Syria on reducing Iran's regional influence. The research method is descriptive-analytical, it is descriptive because it describes Turkey's geopolitical actions in Iraq and Syria and is analytical. This is because it expresses the impact of these actions on reducing Iran's regional influence. The method of collecting information is library, based on the use of relevant letters, reports, information and valid data. The results show that although Turkey's geopolitical actions have caused conflicts between the two countries, the maturity of the two countries' diplomacy and some similarities have led to the stability of relations.

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In one way, public policy scholarship has enriched considerably and stage heuristics approach (problem identification. Proposing, affirmation, implementation, and evaluation) has replaced by new theoretical views such as punctuated equilibrium theory, advocacy coalition framework, multiple streams framework, policy diffusion model, and so on. On the other way, there are three emergent research streams in policy scholarship: (1) using theoretical views on different policy areas and then comparing their explanatory power, (2) comparing theoretical views together, and (3) combing and integrating them to achieve grand theoretical view. Yet, examinations revealed that Iranian policy scholars only use policy stage heuristic as an analytical lens and don’t consider testing, critiquing, and developing new theoretical lens of policy process. In this regard, we have recommended many guidelines to tuning up and accelerating policy studies in Iran.

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Introduction
One of the centers of regional crisis is Afghanistan in the east of Iran. This country has common cultural, social, religious and political structures with Iran, but due to the weakness of political structures, it has been the center of geopolitical competition of regional and global powers. Due to its geographical proximity on the one hand and the competition of the powers, it is one of the geopolitical regions that can have many effects on Iran's regional actions. Therefore, Iran is bound to play a geopolitical role in this region. One of the most important reasons for the importance of Iran's role in the East, especially in today's Afghanistan, is activities of the groups that are religiously sympathetic to the Taliban. Therefore, national interests require Iran to prevent these groups from approaching radicalism through regional de-escalation. During the sanctions period, the Afghan market is one of the main markets for Iran's exports, the dependence of Sistan and Baluchistan province in eastern Iran on Hirmand River can be better achieved by maintaining the relationship with the Taliban, and finally, being present in Afghanistan prevents the country from turning into the backyard of Iran's regional and extra-regional rivals.

Methodology
The research method is applied in terms of purpose and is descriptive-analytic in terms of method and nature. Data gathering procedure is based on library findings. The statistical population of the research consists of experts and professors of the university and fields related to geopolitics, geostrategy and geoculture, and the sample size was determined based on Cochran's model of 50 people. In order to analyze the findings, the average test was used in SPSS software.

Results and discussion
The factors of Iran's role-playing in the geopolitical region of the East with an emphasis on Afghanistan are subject to relevant factors and variables at three internal, regional and extra-regional "global" levels. In this context, the ambiguous future indicators of power in Afghanistan and Iran's capabilities in playing its role, ethnic diversity in Afghanistan and the Pashtuns' role in power and the roles played by the Islamic Republic with regard to its civilizational characteristics in Afghanistan and playing a role, the Islamic Republic of Iran is considered as one of the main and most important factors in the geopolitical region of the East in terms of building universities and scientific centers in Afghanistan and Pakistan and producing knowledge and increasing general literacy in Afghanistan, and the influencing factors. The role of the Islamic Republic of Iran in the fields of increasing the construction of cultural bases such as Basij, seminaries, knowledge centers and cultural centers, etc. is prominent. Preventing illegal immigration on the borders of Pakistan and Afghanistan has not been successful. In the context of evaluating Iran's role-playing achievements in the direction of securing the national interests of the Islamic Republic of Iran in the East, 12 indicators were presented, and the results showed that factors such as Iran's achievements in solving hydropolitical disputes with Afghanistan, Iran's achievements in the construction of the Chabahar Free Zone, Iran's achievements in the field of spreading the Persian language in Afghanistan and Iran's roles in preventing the spread of the Salafist ideology of Arab countries such as Saudi Arabia are the most achievements for Iran in the East, and finally factors such as Iran's role in preventing the transit of narcotics on the borders of Pakistan and Afghanistan and Iran's role in preventing arms smuggling in the borders of the peripheral east are not considered as the achievements of the Islamic Republic of Iran in the peripheral east.

Conclusions
The results showed that Iran's role-playing in the geopolitical region of its peripheral east, with an emphasis on Afghanistan, will be subject to relevant factors and variables at three internal, regional and extra-regional "global" levels, and the greatest share of this role-playing includes extra-regional factors. Also, factors such as Iran's achievements in the field of settling hydropolitical disputes with Afghanistan, Iran's achievements in the field of establishing the Chabahar Free Zone, Iran's achievements in the field of spreading the Persian language in Afghanistan and Iran's roles in preventing the spread of Salafist ideology in Arab countries such as Saudi Arabia will bring the most achievements for Iran in its peripheral east.

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Background: Acinetobacter baumannii is a gram-negative pathogen that is highly resistant to antibiotics. This bacterium can cause severe systemic infections, especially in hospitalized patients. Recently, antimicrobial-resistant Acinetobacter baumannii has become a life-threatening pathogen in Iran and around the world.
Materials & Methods: In this study, several Iranian and English databases were systematically searched to find all original and review articles investigating the prevalence of imipenem resistance in their sample size, while mentioning the source of clinical isolates, as well as the prevalence of antimicrobial resistance genes.  
Findings: Among genes, blaOXA-23 with a prevalence of 31% to 100% was responsible for global outbreaks of imipenem-resistant Acinetobacter baumannii and was presented in most of the hospital isolates. Our meta-analysis also revealed that 74.2% of Acinetobacter baumannii were resistant to imipenem in 122 clinical studies.
Conclusion: Our study highlighted a rapid increase in the rate of imipenem resistance in clinical isolates of Acinetobacter baumannii in Iran. The need for periodic antibiotic care system programs to monitor the administration and use of antibiotics

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Background: Many factors are involved in the development of SARS-CoV-2 infection in individuals in each region, such as physiological conditions, underlying diseases, and observance of personal protection and hygiene; therefore, this study aimed to investigate factors affecting the incidence of COVID-19 in Bandar Lengeh, Hormozgan province, southern Iran.
Materials & Methods: Blood samples and demographic information were collected from suspected COVID-19 patients referring to Shahid Rajaei governmental health centers in Bandar Lengeh city. Hematological, biochemical, and serological tests were performed on the samples. PCR experiment was conducted to confirm SARS-CoV-2 infection. The thorax computed tomography (CT) was performed for all patients.
Findings: According to the PCR test results, the prevalence rate of SARS-CoV-2 infection was 26.92% among 130 individuals enrolled in this study. SARS-CoV-2 infection was more prevalent among clerks than in other occupational groups (p=0.017). Increased ESR (erythrocyte sedimentation rate) and decreased WBC (white blood cell), lymphocyte, and platelet counts were evident in COVID-19 patients. Also, the prevalence of COVID-19 infection was higher in patients with blood group A (33.3%) than in patients with other blood groups. The CRP (C-reactive protein) test was positive for 31 patients whose PCR test was positive for SARS-CoV-2. In addition, LDH (lactate dehydrogenase) level was higher in infected individuals compared to other participants (p=0.018).
Conclusion: In addition to the PCR test result, the most effective factors for diagnosing COVID-19 patients best on blood tests were as follows: increased CRP, ESR, and LDH levels and decreased WBC, lymphocyte, and platelet counts.

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Backgrounds: A common problem among diabetic patients is foot ulcers and infections, impacting up to 15% of diabetic patients over their lifetime. The aim of this study was to investigate the frequency of bacterial agents and their antimicrobial resistance pattern in patients with diabetic foot infection in Namazi and Shahid Faghihi hospitals in Shiraz.
Materials & Methods: This cross-sectional study was conducted in Namazi and Shahid Faghihi hospitals in Shiraz. The collected samples were transferred to the laboratory for culture and biochemical tests. After accurate identification of bacterial agents, antibiotic susceptibility of all isolated bacteria was evaluated by disk diffusion method based on CLSI guidelines. Data were analyzed using SPSS software (Version 19).
Findings: In this study, 166 patients with diabetic foot ulcers were evaluated. The mean age of patients was 55.8± 13.2 years, and 109 (66.4%) cases were male. Also, 62% of patients had an underlying disease, while most of them had hypertension (27%). The most prevalent isolated bacterium was Staphylococcus epidermidis. The most effective antibiotics against isolated Gram-positive and Gram-negative bacteria were vancomycin and amikacin, respectively.
Conclusion: In this study, it was concluded that the frequency of Gram-negative bacteria in diabetic foot ulcer infections was higher than that of Gram-positive bacteria.

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The northern and southern borders of Mishow- Dagh mountainous chain (northwest of Iran) include zones with ideal characteristics for optimum development of alluvial fans. The alluvial fan development in this area is related to environmental factors such as tectonic activities. In this study, we discussed to what extent tectonics affect the peculiarities in the sedimentary processes occurring in the fans on different sections of the study area (37 Quaternary alluvial fans in four groups), thus causing geomorphological anomalies in them. For this object, we analyzed the main morphological features of the fans and their drainage basins, as well as some of their constitutive elements. We then focused on the connection zone between the fans and their drainage basins. Finally, we analyzed the possible relations between the different parameters of the drainage areas and the fans. All of these analysis were based on interpretation of geological, topographical, areal photos and satellite images and as well as field studies. The results showed that tectonics play a double role; On the one hand, there have been recent displacements in the zone occupied by the drainage areas, as well as between the basement and the basins in which the fans accumulate and, on the other hand, tectonic activity is responsible for the more intense subsidences in the northern and southern plains of the study area, which gives rise to significant differences in the rate of creation of accommodation space between some sectors and others. Generally, Quaternary tectonic activities have caused changes in sweep angle, longitudinal and fan cross profiles, segmentation, head incision, development of erosional gullies, uplift of Quaternary sediments, formation of telescopic alluvial fans, structure of fans and elongation of drainage basins, slope changes on mountain fronts, positive allometry in fan areas and drainage basin relations, and development of new sedimentary basins.

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Little effort has been exerted in the domain of the study of the relation between age structure of population with macroeconomic variables and the study of its effects on the economy of Iran. According to Life Cycle Theory, middle-age groups are owners of savings and young and old-age groups are consumers (their consumption is more than their savings). Wicksell’s cumulative Inflation Process Theory, founded on the resolutions of saving and investment, also foresees that the surplus of the demand raised from the difference in interest rate would contribute to the surplus of consumption which would cause, in turn, demand pressure and finally would result to more inflation. The presernt study is a document-experiment research and combining the above mentioned two theories, tries to analyze the effects of the age distribution of the population on inflation in the Iran, using estimation in OLS method. The findings of the research showed that the consuming age groups i.e. the ages between 0 – 14 years, 15 - 19 years, and over 64 years have a meaningful positive effect on the inflation, while saving age groups i.e. ages between 30 - 44 and 45 - 64 years have a meaningful negative effect on the inflation. The population limiting policy which has been exerted since 1989 has also had a meaningful negative effect on the inflation in Iran.

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The purpose of this paper is to examine the relationship between bank loan rate and housing prices in Iran. For this purpose, some VAR models have been applied, using the following variables: real loan rate, money supply (including the high powered money and the liquidity), GDP, housing services index, and the number of licenses for new houses. The results show that a reduction in the loan interest rate will increase the demand for housing sector because of reduction in cost of borrowing from banking system in order to invest in this sector. In other word, the research findings have implied a negative relationship between bank loan interest rates and housing prices. The results have also revealed that financial repression in the form of bank loan rates control policy induces more investment in housing sector and results into resource depletion of banking system.

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Monetary conditions index (MCI) is used as an intermediate target of monetary policy in many developed countries. More recently, monetary authorities in some developing countries have also attempted to use this operational target to determine the stance of monetary policy in their countries. The MCI is usually computed as a weighted sum of changes in interest rate and exchange rate. The use of interest rate in constructing MCI might not be appropriate in developing countries due to the lack of efficient financial markets in these countries. Some authors have emphasized on the role of credit channel in monetary transmission mechanism for developing countries. Using weighted sum of profit rate, exchange rate and banks credit, this paper constructs proper MCI for the Iranian economy. Aggregate demand and price equations are used to estimate the weights. Finally, the forecasting power of these indices using non-nested tests and root mean square errors is compared. The results show that the MCI augmented with banks credit has better predicting power than those without credit channel. Moreover, it is also revealed that real MCI, as an intermediate target, is preferred to nominal ones.

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The objective of this paper is to investigate the validity of Wagner’s law and the Keynesian view with regards to the relationship between the non-oil gross domestic product and the public sector size for the Iranian economy during the period of 1967-2007. Time series analysis techniques have been used which include unit root tests, cointegration tests and Hsiao causality test. The findings indicate that Wagner’s Law is confirmed in both the short-run and the long-run; whereas the Keynesian view is approved only in the short-run for Iran.