List of Articles Discretionary inputs Open Access Article Abstract Page Full-Text 1 - Resource allocation based on DEA for distance improvement to MPSS points considering environmental factors Azam Mottaghi Reza Ezzati Esmaeil Khorram Open Access Article Abstract Page Full-Text 2 - Benchmarking Marketing Productivity Using Data Envelopment Analysis: a Modified Approach Farhad Hosseinzadeh Zohreh Moghaddas