فهرست مقالات relative data envelopment analysis دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Ranking of Decision-Making Units with Multi-Period Two-Stage Network Structure: a Method Based on Relative Data Envelopment Analysis Maghsoud Ahmad khanlou Gharakhanlou Nima Azarmir shotorbani Ghasem Tohidi Shabnam Razavyan Rohollah Abbasi