List of Articles double frontier Open Access Article Abstract Page Full-Text 1 - Super efficiency model in front of MPSS Fereshteh Roozbeh Mahnaz Ahadzadeh Namin Open Access Article Abstract Page Full-Text 2 - Estimating Most Productive Scale Size with Double Frontiers in Data Envelopment Analysis using Negative Data F. Roozbeh R. Eslami M. Ahadzadeh Namin Open Access Article Abstract Page Full-Text 3 - A New Method for Ranking the Discovered Rules Obtained from Data Mining Using Data Envelopment Analysis Hossein Azizi