List of Articles Open Access Article Abstract Page Full-Text 1 - Validation of the Gas Consumption Management Model with Emphasis on the Problem of Unauthorized Use in the Gas Company Ali Esmaili houshang taghizadeh Nasser Fegh-hi farahmand Open Access Article Abstract Page Full-Text 2 - The role of political parties and the Najaf Seminary in Iran-Iraq relations Mohammad Rezaei Aziz Javanpour Heravi Mahdi firuzkuhi Parviz Ahadi Open Access Article Abstract Page Full-Text 3 - Jurisprudential and Legal Foundations of Passive Defense in Cultural Security Hamid hassan.monfared Ahmadreza khazai Majid Vaziri Open Access Article Abstract Page Full-Text 4 - Estimating Customer Sensitivity to Islamic Participatory Contracts: A Case Study of Melli Bank Customers Ali astarki hamid asayesh Mahdi Kamali Mahdi Zahedgharavi Open Access Article Abstract Page Full-Text 5 - A Sociological Explanation of Class Distinction (Inequality) and Its Influential Factors Taha Ashayeri Tahereh Jahanparvar Open Access Article Abstract Page Full-Text 6 - The Effect of Sensory Marketing Management on Willingness to Pay Online Through the Mediating Role of Consumer Perceptions of an Ethical Brand in Tourism Service Companies in Tehran Province Ebrahim Zarrini Peymaneh Asgari Open Access Article Abstract Page Full-Text 7 - Threshold Effects of Provincial Export-Destination Diversity on Income Inequality in Iran mohammadnabi saadipour hasan farazmand Behrouz Sadeghi Amroabadi Ali shariatNajade