List of Articles Input Open Access Article Abstract Page Full-Text 1 - The Position of Multiobjective Programming Methods in Fuzzy Data Envelopment Analysis Parichehr zamani 20.1001.1.22286225.2020.10.2.1.3 Open Access Article Abstract Page Full-Text 2 - Cascade of Fractional Differential Equations and Generalized Mittag-Leffler Stability Ndolane Sene Open Access Article Abstract Page Full-Text 3 - OPTIMAL RESOURCE ALLOCATION IN DEA WITH INTEGER VARIABLES A. Masoumzadeh N. Moradmand Rad Open Access Article Abstract Page Full-Text 4 - Nonhomogeneous DMUs in DEA: A Directional Distance Function Approach Mona Barat Ghasem Tohidi