List of Articles gradual improvement Open Access Article Abstract Page Full-Text 1 - Gradual Improvement of Benchmarking in Data Envelopment Analysis Using Gradient Line Method Hamid Sharafi 10.30495/ijdea.2022.68473.1166 Open Access Article Abstract Page Full-Text 2 - Gradual improvement of an inefficient DMU of CCR model, using a finite sequence of the intermediate targets hassan Rostamzadeh Ali Reza Fakharzadeh Jahromi Marzieh Oroji