List of Articles Open Access Article Abstract Page Full-Text 1 - Designing and testing the supply chain agility model in oil and gas industry with a mixed approach Sajjad Shamsi Gooshki Arsalan Nami Mohammad Solgi Open Access Article Abstract Page Full-Text 2 - Examining the Effect of Tax Culture on Tax Avoidance (Case Study: Gold Sellers and Physicians in South Khorasan Province) Amin Karkon Habibollah Nakhaei Zohreh Hajiha Open Access Article Abstract Page Full-Text 3 - A Comparative Study on Existing Techniques for Variable Reduction Including Factor Analysis, Principal Component Analysis, Correlation-Based Techniques, and Relief in Predicting the Risk of Stock Price Crash in Tehran Stock Exchange Hassan Mohammadi Alireza Zarei Soudani Open Access Article Abstract Page Full-Text 4 - Positioning a Beverage to Introduce in Iran Airline Industry by Sensory Analysis alireza fayazi Abdollah Naami Reza Aghamusa Open Access Article Abstract Page Full-Text 5 - The impact of diversification on risk reduction: using a mix of Merton model and random matrix approach to take into account non-stationary Zahra Eskandari Mirfeiz Fallah Shams Gholamreza Zomorodian Open Access Article Abstract Page Full-Text 6 - Identify and explain the components and effective indicators of employer branding in the Statistics Center of Iran Kousar Shakeri Karim Hamdi Hossein Vazifehdust