List of Articles constant returns to scale Open Access Article Abstract Page Full-Text 1 - Finding Closest Target in Network DEA Morteza Aramesh Sevan Sohraiee 10.30495/ijdea.2023.74919.1202 Open Access Article Abstract Page Full-Text 2 - Two-stage Production Systems under Variable Returns to Scale Technology: A DEA Approach roza azizi reza kazemi matin