Volume & Issue: Volume 6, Issue 1, April 2021, Pages 1-229 
Time-Cost-Quality Trade Off in PERT Networks Using Neural Network and Evolutionary Algorithms

Pages 92-122

ahmad Yousefi Hanoomarvar; maghsoud amiri; laya olfat; alireza naser sadrabadi


Causal model design and analysis of environmental criteria in the steel industry with fuzzy cognitive mapping approach (FCM)

Pages 124-146

omid golshan tafti; seyed heydar mirfakhrediny; davood Andalib Ardakani; habib zare ahmadabadi


PET Supply Chain Network design: A Metaheuristic Algorithm with a modified representation

Pages 171-199

Ehsan Yadegari; Akbar Alemtabriz; Mostafa Zandieh; Fariba Salahi; Amir Daneshvar


Data envelopment analysis with missing data

Pages 201-229

Bahman Fasihi; Hossein Azizi; Zeynab Gholizadeh Gazvar