Volume & Issue: Volume 4, Issue 1, May 2019 
A Hierarchical Covering Location Model with a Multi Period under Uncertainty

Pages 25-53

Samaneh BabaeiMorad; Hassan Bagheri; Javad Behnamian Behnamian


Introducing a framework for analyzing the cooperation of airlines by the game theory approach

Pages 78-99

Saman Sorouri Ghare-Aghaj; Ramin Sadeghian; Reza Tavakkoli-Moghaddam; Ahmad Makui


Presentation of mathematical formula in Employee Value

Pages 101-118

Nafiseh Soleimani; Mohammad Aghdasi; Bakhtiar Ostadi