List of Articles bi-objective Open Access Article Abstract Page Full-Text 1 - The Bi-Objective Location-Routing Problem based on Simultaneous Pickup and Delivery with Soft Time Window Elham Jelodari Mamaghani Mostafa Setak 10.22094/joie.2017.279 20.1001.1.22519904.2017.10.22.8.3 Open Access Article Abstract Page Full-Text 2 - A Two-dimensional Warranty Model with Consideration of Customer and Manufacturer Objectives Solved with Non-dominated Sorting Genetic Algorithm Amin Asadi Mohammad Saidi-Mehrabad Faranak Fathi Aghdam 10.22094/joie.2018.538225 20.1001.1.22519904.2019.12.1.2.9 Open Access Article Abstract Page Full-Text 3 - A Non-dominated Sorting Ant Colony Optimization Algorithm Approach to the Bi-objective Multi-vehicle Allocation of Customers to Distribution Centers Jafar Bagherinejad Mina Dehghani 10.22094/joie.2016.230 20.1001.1.22519904.2016.9.19.6.8 Open Access Article Abstract Page Full-Text 4 - Solving Bi-objective Model of Hotel Revenue Management Considering Customer Choice Behavior Using Meta-heuristic Algorithms Surur Yaghobi Harzandi Amir Abbas Najafi 10.22094/joie.2020.511.21 20.1001.1.22519904.2021.14.1.2.3 Open Access Article Abstract Page Full-Text 5 - A Bi-objective Non-linear Approach for Determining the Ordering Strategy for Group B in ABC Analysis Inventory Fatemeh Keshavarz-Ghorbani Seyed Hamid Reza Pasandideh 10.22094/joie.2021.1864151.1634 20.1001.1.22519904.2022.15.1.7.5 Open Access Article Abstract Page Full-Text 6 - A Bi-objective Optimization for Vendor Managed Inventory Model Amir Hossein Niknamfar Seyed Hamid Reza Pasandideh 20.1001.1.22519904.2014.7.15.4.4 Open Access Article Abstract Page Full-Text 7 - A New Model for Location-Allocation Problem within Queuing Framework Seyed Hamid Reza Pasandideh Amirhossain Chambari Open Access Article Abstract Page Full-Text 8 - A Comparison of NSGA II and MOSA for Solving Multi-depots Time-dependent Vehicle Routing Problem with Heterogeneous Fleet Behrouz Afshar-nadjafi Arian Razmi-farooji 20.1001.1.22519904.2014.7.16.6.8