List of Articles علی حمزه ای Article 1 - Congestion Calculation only by Solving a Linear Programming Model Through Fuzzy Data 10.30495/ijdea.2022.65562.1151 Soodabeh Nazari Mohsen Rostamy-Malkhalifeh Ali Hamzehee International Journal of Data Envelopment Analysis , Issue 1 , Year , Winter 2022