List of Articles NSGA-II algorithm Open Access Article Abstract Page Full-Text 1 - Monitoring process variability: a hybrid Taguchi loss and multiobjective genetic algorithm approach Heng-Soon Gan Abdul Sattar Safaei 10.22094/joie.2016.245 20.1001.1.22519904.2016.9.20.1.5 Open Access Article Abstract Page Full-Text 2 - Developing a New Bi-Objective Functions Model for a Hierarchical Location-Allocation Problem Using the Queuing Theory and Mathematical Programming Parham Azimi Abulfazl Asadollahi 10.22094/joie.2018.350.0 20.1001.1.22519904.2019.12.2.12.1