List of Articles Open Access Article Abstract Page Full-Text 1 - Optimal replenishment and credit policy in supply chain inventory model under two levels of trade credit with time- and credit-sensitive demand involving default risk Puspita Mahata Gour Chandra Mahata Sujit Kumar De Open Access Article Abstract Page Full-Text 2 - Availability analysis of mechanical systems with condition-based maintenance using semi-Markov and evaluation of optimal condition monitoring interval Girish Kumar Vipul Jain O. P. Gandhi Open Access Article Abstract Page Full-Text 3 - Multiple utility constrained multi-objective programs using Bayesian theory Pooneh Abbasian Nezam Mahdavi-Amiri Hamed Fazlollahtabar Open Access Article Abstract Page Full-Text 4 - Integrated model for pricing, delivery time setting, and scheduling in make-to-order environments Hamid Sattari Garmdare M. M . Lotfi Mahboobeh Honarvar Open Access Article Abstract Page Full-Text 5 - Phase-I monitoring of standard deviations in multistage linear profiles Mahdiyeh Kalaei Paria Soleimani Seyed Taghi Akhavan Niaki Open Access Article Abstract Page Full-Text 6 - A meta-heuristic approach supported by NSGA-II for the design and plan of supply chain networks considering new product development Zahra Alizadeh Afrouzy Mohammad Mahdi Paydar Seyed Hadi Nasseri Iraj Mahdavi Open Access Article Abstract Page Full-Text 7 - Optimal (R, Q) policy and pricing for two-echelon supply chain with lead time and retailer’s service-level incomplete information M. Esmaeili M. S. Naghavi A. Ghahghaei Open Access Article Abstract Page Full-Text 8 - Solving the flexible job shop problem by hybrid metaheuristics-based multiagent model Houssem Eddine Nouri Olfa Belkahla Driss Khaled Ghe´dira Open Access Article Abstract Page Full-Text 9 - Vacation model for Markov machine repair problem with two heterogeneous unreliable servers and threshold recovery Madhu Jain Rakesh Kumar Meena Open Access Article Abstract Page Full-Text 10 - Two phase genetic algorithm for vehicle routing and scheduling problem with cross-docking and time windows considering customer satisfaction Ali Baniamerian Mahdi Bashiri Fahime Zabihi Open Access Article Abstract Page Full-Text 11 - Solving the competitive facility location problem considering the reactions of competitor with a hybrid algorithm including Tabu Search and exact method Jafar Bagherinejad Azar Niknam Open Access Article Abstract Page Full-Text 12 - Analysis of interactions among barriers in project risk management Rahul V. Dandage Shankar S. Mantha Santosh B. Rane Vanita Bhoola Open Access Article Abstract Page Full-Text 13 - Shrinkage simplex-centroid designs for a quadratic mixture model Davood Shishebori Abolghasem Yousefi Babadi Taha Hasan Sajid Ali Munir Ahmed Open Access Article Abstract Page Full-Text 14 - An enhanced reliability-oriented workforce planning model for process industry using combined fuzzy goal programming and differential evolution approach D. E. Ighravwe S. A. Oke K. A . Adebiyi