فهرس المقالات Sorena Jafarigorzin المقاله 1 - NEW METHODS BASED ON STABILITY VERSUS CHANGES FOR EFFICIENT DECISION MAKING UNITS IN DATA ENVELOPMENT ANALYSIS Sorena Jafarigorzin Iraj Asadi Talooki Ahmad Mirzanezhad International Journal of Data Envelopment Analysis , العدد 1 , السنة 9 , زمستان 2021 المقاله 2 - Malmquist Productivity Index Based on Means of Weights for Ranking of Decision Making Units in Data Envelopment Analysis Sorena Jafarigorzin Iraj Asadi Talooki International Journal of Data Envelopment Analysis , العدد 2 , السنة 9 , بهار 2021