List of Articles heuristic Open Access Article Abstract Page Full-Text 1 - A heuristic algorithm for solving bi-level programming problems with application to large-scale location-arc routing in urban traffic lights maintenance Amir Abbas Shojaie Alireza Rashidi Komijan Mohammad Amirabadi Open Access Article Abstract Page Full-Text 2 - New scheduling rules for a dynamic flexible flow line problem with sequence-dependent setup times Hamidreza Kia Seyed Hassan Ghodsypour Hamid Davoudpour Open Access Article Abstract Page Full-Text 3 - Application of queuing theory in production-inventory optimization Reza Rashid Seyed Farzad Hoseini M. R. Gholamian Mohammad Feizabadi Open Access Article Abstract Page Full-Text 4 - A two-stage stochastic rule-based model to determine pre-assembly buffer content Elif Elcin Gunay Ufuk Kula