List of Articles Open Access Article Abstract Page Full-Text 1 - A two-level discount model for coordinating a decentralized supply chain considering stochastic price-sensitive demand Jafar Heydari Yousef Norouzinasab Open Access Article Abstract Page Full-Text 2 - A production-inventory model with permissible delay incorporating learning effect in random planning horizon using genetic algorithm Mohuya B. Kar Shankar Bera Debasis Das Samarjit Kar Open Access Article Abstract Page Full-Text 3 - Development of a QFD-based expert system for CNC turning centre selection Kanika Prasad Shankar Chakraborty Open Access Article Abstract Page Full-Text 4 - An EMQ inventory model for defective products involving rework and sales team’s initiatives-dependent demand S. Priyan R . Uthayakumar Open Access Article Abstract Page Full-Text 5 - 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 6 - Cost analysis of a coal-fired power plant using the NPV method Ravinder Kumar Avdhesh Kr. Sharma P. C. Tewari Open Access Article Abstract Page Full-Text 7 - Identifying the time of a step change in AR(1) auto-correlated simple linear profiles Majid Khedmati Seyed Taghi Akhavan Niaki Open Access Article Abstract Page Full-Text 8 - Risk management in medical product development process using traditional FMEA and fuzzy linguistic approach: a case study Milind Shrikant Kirkire Santosh B. Rane Jagdish Rajaram Jadhav Open Access Article Abstract Page Full-Text 9 - Multiple performance characteristics optimization for Al 7075 on electric discharge drilling by Taguchi grey relational theory Reza Tavakkoli-Moghaddam Rajesh Khanna Anish Kumar Mohinder Pal Garg Ajit Singh Neeraj Sharma Open Access Article Abstract Page Full-Text 10 - Step change point estimation in the multivariate-attribute process variability using artificial neural networks and maximum likelihood estimation Mohammad Reza Maleki Amirhossein Amiri Seyed Meysam Mousavi Open Access Article Abstract Page Full-Text 11 - Using game theory approach to interpret stable policies for Iran’s oil and gas common resources conflicts with Iraq and Qatar Maryam Esmaeili Aram Bahrini Sepideh Shayanrad