List of Articles ساختار دو مرحله ای Open Access Article Abstract Page Full-Text 1 - Performance Assessment of Investment Firms under Uncertainty Pejman Peykani Farhad Hosseinzadeh Lotfi Emran Mohammadi Reza Tehrani Open Access Article Abstract Page Full-Text 2 - The Relationship between Financial Investment and Malmquist Productivity Index Based on Data Envelopment Analysis in Network Structure (Case Study: Tehran Metro Stations) Ali Mohammad Gholiha Farhad Hosseinzadeh Lotfi Mohammadreza Shahriari Mohsen Vaez-Ghsemi Open Access Article Abstract Page Full-Text 3 - تحلیل پوششی داده های شبکه ای پنجره ای: کاربرد در شرکت های سرمایه گذاری P. Peykani E. Mohammadi