List of Articles Decision making unit (DMU) Open Access Article Abstract Page Full-Text 1 - An enhanced Russell model to measure aggregate efficiency of multi-period production systems Mohammad Najari Alamouti Mohsen Khounsiavash Reza Kazimi Matin Zohreh Moghaddas Open Access Article Abstract Page Full-Text 2 - Using Multi-Objective Linear Programming (MOLP) and Data Envelopment Analysis (DEA) models in Non-discretionary Performance Measurement Sahar Khoshfetrat Mojtaba Ghiyasi Open Access Article Abstract Page Full-Text 3 - Efficiency Evaluation and Ranking DMUs in the Presence of Interval Data with Stochastic Bounds Hamid Sharafi Mohsen Rostamy-Malkhalifeh Alireza Salehi Mohammad Izadikhah