List of Articles cost efficiency Open Access Article Abstract Page Full-Text 1 - Assessing the undesirable cost imposed on the system with fuzzy DEA Jafar Pourmahmoud Naser Bafekr Sharak Open Access Article Abstract Page Full-Text 2 - Input Estimation in Two-Stage Systems with Undesirable Outputs Based on Cost Efficiency Zahra Shiri Daryani Shabnam Razavyan 10.30495/ijdea.2022.68962.1179 Open Access Article Abstract Page Full-Text 3 - Allocation efficiency in network DEA S. Banihashemi G. Tohidi Open Access Article Abstract Page Full-Text 4 - Calculating Cost Efficiency with Integer Data in the Absence of Convexity Arezoo Khoshgova Mohsen Rostamy-Malkhalifeh Open Access Article Abstract Page Full-Text 5 - Inverse Data Envelopment Analysis to Estimate Inputs with Triangular Fuzzy Numbers Mohammad Taghi Yahyapour-Shikhzahedi sohrab kordrostami S Edalatpanah Alireza Amirteimoori Open Access Article Abstract Page Full-Text 6 - Productivity Center and Son Using the Malmquist Global Index Esmael Mombini