List of Articles Bottlenecks Open Access Article Abstract Page Full-Text 1 - 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 2 - Modeling and Performance Analysis of Restaurant's Service Delivery Process Using Colored Petri Nets Samaneh Ghasemi Zeinab Ghorbani Lakterashani