List of Articles : Data envelopment analysis Open Access Article Abstract Page Full-Text 1 - 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 Open Access Article Abstract Page Full-Text 2 - Efficiency score in the presence of flexible factors, integer and fuzzy integer data Zahra Moazenzadeh Saber Saati reza farzipoor saen Reza Kazemi Matin sevan sohraiee