List of Articles Open Access Article Abstract Page Full-Text 1 - Introducing a Relational Network DEA Model with Stochastic Intermediate measures for Portfolio Optimization Hoda Golshani Hadi Hadi Bagherzadeh Valami Mahnaz Mirbolouki Open Access Article Abstract Page Full-Text 2 - Cross-Efficiency Evaluation Based on an Interval Method M Khodadadi Ghasem Tohidi Open Access Article Abstract Page Full-Text 3 - Secondary Model Developed for Weight Selective in Evaluating the Efficiency of Cross-DEA with Fuzzy Data Mohammad Reza Lotfi Mohsen Rostamy-MaleKhalifeh Open Access Article Abstract Page Full-Text 4 - Ranking DMUs by New Metric DTM with Fuzzy Data in DEA Reza Shahverdi Open Access Article Abstract Page Full-Text 5 - Using Directional Distance Functions to Determine Ranking Ranges in Cross-efficiency Evaluations Elmira Molahezekara Najmeh Malekmohammadi Open Access Article Abstract Page Full-Text 6 - Choosing the Best Bundle of Projects: A DEA Approach Mahnaz Mahnaz Mirbolouki