List of Articles Open Access Article Abstract Page Full-Text 1 - Distribution network design under demand uncertainty using genetic algorithm and Monte Carlo simulation approach: a case study in pharmaceutical industry Arman Izadi Ali mohammad Kimiagari Open Access Article Abstract Page Full-Text 2 - A new metaheuristic genetic-based placement algorithm for 2D strip packing Jaya Thomas Narendra S. Chaudhari Open Access Article Abstract Page Full-Text 3 - Retailer's inventory system in a two-level trade credit financing with selling price discount and partial order cancellations A Thangam Open Access Article Abstract Page Full-Text 4 - Integration of QFD, AHP, and LPP methods in supplier development problems under uncertainty Zahra Shad Emad Roghanian Fatemeh Mojibian Open Access Article Abstract Page Full-Text 5 - Modeling and sizing optimization of hybrid photovoltaic/wind power generation system Mohammad-Ali Yazdanpanah Open Access Article Abstract Page Full-Text 6 - New spatial clustering-based models for optimal urban facility location considering geographical obstacles Maryam Javadi Jamal Shahrabi Open Access Article Abstract Page Full-Text 7 - Multi-objective optimization approach for cost management during product design at the conceptual phase K. G. Durga Prasad K. Venkata Subbaiah K. Narayana Rao