List of Articles Decision Making Units (DMUs) Open Access Article Abstract Page Full-Text 1 - Malmquist Productivity Index Based on Means of Weights for Ranking of Decision Making Units in Data Envelopment Analysis Sorena Jafarigorzin Iraj Asadi Talooki Open Access Article Abstract Page Full-Text 2 - Merging DMUs Based on of the idea Inverse DEA Elaheh Zeinodin Saeid Ghobadi Open Access Article Abstract Page Full-Text 3 - A new approach to determine efficient DMUs in DEA models using inverse optimization GH.R Amin