List of Articles Open Access Article Abstract Page Full-Text 1 - Determining the Optimum Investment Portfolios in the Iranian Banking Network Base on Bi-level Game using the Markowitz Optimization Model by Firefly Algorithm Mehdi Memarpour Ashkan Hafezalkotob Mohammad Khalilzadeh Abbas Saghaei Roya Soltani 20.1001.1.25382756.2021.6.3.1.2 Open Access Article Abstract Page Full-Text 2 - Identification of Environmental Strategies for Managing Human Resources in Islamic Azad University Iraj Rashidi Ghanbar Amirnejad Karamollah Daneshfard 20.1001.1.25382756.2021.6.3.2.3 Open Access Article Abstract Page Full-Text 3 - Enabling Link Prediction Optimization on Social Networks banafshe poorsoltani fariba salahi Amir Daneshvar 20.1001.1.25382756.2021.6.3.3.4 Open Access Article Abstract Page Full-Text 4 - Investigating the Effect of Expertise and Size of the Audit Committee on Voluntary Disclosure of Companies Listed on Tehran Stock Exchange Fatemeh Khodadad Hatkeposhti 20.1001.1.25382756.2021.6.3.4.5 Open Access Article Abstract Page Full-Text 5 - Evaluating and prioritizing new methods of marketing health products in the elderly community (Case study of AJA retirees) MohammadReza Rostami Maryam Mosleh Babak Maleki 20.1001.1.25382756.2021.6.3.5.6 Open Access Article Abstract Page Full-Text 6 - Prioritization of factors affecting the development of industrial clusters in small and medium industries with a multi-criteria decision approach Seyed Ahmad Shayannia Mohammad Reza Lotfi Iman Koravand 20.1001.1.25382756.2021.6.3.6.7 Open Access Article Abstract Page Full-Text 7 - Identification of Factors Affecting Blockchain Technology in Sustainable Supply Chain of the Steel Industry Using SPCA and KPCA Methods Sayyed Mohammad Reza Davoodi Habib Mohammadpour Dehkordi Maliheh Rahmati Dehkordi 20.1001.1.25382756.2021.6.3.7.8