List of Articles Open Access Article Abstract Page Full-Text 1 - Fuzzy Reliability Optimization Models for Redundant Systems ل Nematian Open Access Article Abstract Page Full-Text 2 - An artificial Neural Network approach to monitor and diagnose multi-attribute quality control processes S.T.A Niaki Open Access Article Abstract Page Full-Text 3 - A heuristic approach for multi-stage sequence-dependent group scheduling problems N Salmasi Open Access Article Abstract Page Full-Text 4 - A fuzzy mixed-integer goal programming model for a parallel machine scheduling problem with sequence-dependent setup times and release dates A.H Gharehgozli Open Access Article Abstract Page Full-Text 5 - Optimal lot size of EPQ model considering imperfect and defective products S.R Hejazi J.C Tsou M Rasti Barzoki Open Access Article Abstract Page Full-Text 6 - A Multi Objective Geometric Programming Model for Optimal Production and Marketing Planning S.J Sadjadi Open Access Article Abstract Page Full-Text 7 - Nurse rostering using fuzzy logic: A case study A Eskandari K Ziarati Open Access Article Abstract Page Full-Text 8 - A mathematical model for the multi-mode resource investment problem M Sabzehparvar