List of Articles Queuing system Open Access Article Abstract Page Full-Text 1 - Hub Covering Location Problem Considering Queuing and Capacity Constraints Mehdi Seifbarghy Mojtaba Hemmati Sepideh Soltan Karimi 10.22094/joie.2017.351.0 Open Access Article Abstract Page Full-Text 2 - Production Optimization on the Flow Shop Scheduling Problem: A Simulation Study Farshid Salehi Seyed Mojtaba Sajadi Mohammad Mehdi Karami Open Access Article Abstract Page Full-Text 3 - Bi-objective optimization of multi-server intermodal hub-location-allocation problem in congested systems: modeling and solution Mahdi Rashidi Kahag Seyed Taghi Akhavan Niaki Mehdi Seifbarghy Sina Zabihi Open Access Article Abstract Page Full-Text 4 - Optimizing Waiting Time in Urban Public Transportation System Using Simulation Approach (Case Study: Isfahan Bus Company) Tooba Jabarootian