List of Articles Open Access Article Abstract Page Full-Text 1 - Assessment of performance based on fuzzy Production Possibility Set fatemeh miryazdi Saber Saati Mohsen Rostamy Open Access Article Abstract Page Full-Text 2 - Inverse network DEA incorporating cost efficiency with fuzzy data: an application to Petrochemical equipment industries Mahsa Hamidi Najmeh Malek Mohammadi Shabnam Razavyan Rahele Nouraei