List of Articles Open Access Article Abstract Page Full-Text 1 - Comprehensive performance evaluation of Iranian banking groups: A group two-stages data envelopment analysis Mohammad Sajjad Shahbazifar Reza Kazemi Matin Mohsen Khounsiavash Fereshteh Koushki Open Access Article Abstract Page Full-Text 2 - Developing a Model to Analyze Decision Maker's Preference in Portfolio Selection Sina Shirtavani Mahdi Homayounfar Keyhan Azadi Hir Amir Daneshvar