List of Articles Open Access Article Abstract Page Full-Text 1 - A cloudy fuzzy economic order quantity model for imperfect-quality items with allowable proportionate discounts Sujit Kumar De Gour Chandra Mahata Open Access Article Abstract Page Full-Text 2 - Development of a weighted leanness measurement method in modular construction companies Saba Shams Bidhendi Steven Goh Andrew Wandel Open Access Article Abstract Page Full-Text 3 - Risk premiums and certainty equivalents of loss-averse newsvendors of bounded utility Doraid Dalalah Open Access Article Abstract Page Full-Text 4 - Phase II monitoring of multivariate simple linear profiles with estimated parameters Ahmad Ahmadi Yazdi Ali Zeinal Hamadani Amirhossein Amiri Open Access Article Abstract Page Full-Text 5 - Solving multi-objective team orienteering problem with time windows using adjustment iterated local search Indri Hapsari Isti Surjandari K. Komarudin Open Access Article Abstract Page Full-Text 6 - A reverse logistics chain mathematical model for a sustainable production system of perishable goods based on demand optimization Saeed Tavakkoli Moghaddam Mehrdad Javadi Seyyed Mohammad Hadji Molana Open Access Article Abstract Page Full-Text 7 - Product quality improvement model considering quality investment in rework policies and supply chain profit sharing Amanda Sofiana Cucuk Nur Rosyidi Eko Pujiyanto Open Access Article Abstract Page Full-Text 8 - Periodic flexible maintenance planning in a single-machine production environment Mehdi Iranpoor S. M. T. Fatemi Ghomi Open Access Article Abstract Page Full-Text 9 - Classification and properties of acyclic discrete phase-type distributions based on geometric and shifted geometric distributions Mohsen Varmazyar Raha Akhavan‑Tabatabaei Nasser Salmasi Mohammad Modarres Open Access Article Abstract Page Full-Text 10 - A sequence of targets toward a common best practice frontier in DEA Nasim Nasrabadi Open Access Article Abstract Page Full-Text 11 - An optimization model for management of empty containers in distribution network of a logistics company under uncertainty Ahmad Hosseini Tobias Sahlin Open Access Article Abstract Page Full-Text 12 - Economic order quantity model for growing items with incremental quantity discounts Makoena Sebatjane Olufemi Adetunji