List of Articles Open Access Article Abstract Page Full-Text 1 - Development of a cell formation heuristic by considering realistic data using principal component analysis and Taguchi’s method Shailendra Kumar Rajiv Kumar Sharma Open Access Article Abstract Page Full-Text 2 - Markov modeling and reliability analysis of urea synthesis system of a fertilizer plant Anil Kr. Aggarwal Sanjeev Kumar Vikram Singh Tarun Kr. Garg Open Access Article Abstract Page Full-Text 3 - Using and comparing metaheuristic algorithms for optimizing bidding strategy viewpoint of profit maximization of generators Seyed Hosein Mousavi Ali Nazemi Ashkan Hafezalkotob Open Access Article Abstract Page Full-Text 4 - Impact of information technology on productivity and efficiency in Iranian manufacturing industries Amir Gholam Abri Mahmoud Mahmoudzadeh Open Access Article Abstract Page Full-Text 5 - Assessment of distance-based multi-attribute group decision-making methods from a maintenance strategy perspective Siew-Hong Ding Shahrul Kamaruddin Open Access Article Abstract Page Full-Text 6 - Optimal advertising and pricing decisions for complementary products Ata Allah Taleizadeh Masoud Charmchi Open Access Article Abstract Page Full-Text 7 - Application of queuing theory in inventory systems with substitution flexibility S. M. Seyedhoseini Reza Rashid Iman Kamalpour Erfan Zangeneh Open Access Article Abstract Page Full-Text 8 - Performance evaluation of the croissant production line with reparable machines Panagiotis H. Tsarouhas Open Access Article Abstract Page Full-Text 9 - Reliability assessment of power distribution systems using disjoint path-set algorithm Abdrabbi Bourezg H. Meglouli Open Access Article Abstract Page Full-Text 10 - Modified FGP approach and MATLAB program for solving multi-level linear fractional programming problems Kailash Lachhwani Suresh Nehra Open Access Article Abstract Page Full-Text 11 - A study of operators’ computing efficiency with special focus on the readability under different viewing angles of a desktop Z. Maillck Mohammad Asjad Open Access Article Abstract Page Full-Text 12 - Curbing variations in packaging process through Six Sigma way in a large-scale food-processing industry Darshak A. Desai Parth Kotadiya Nikheel Makwana Sonalinkumar Patel