issue 2 publication date 2018-06-01

• Process capability improvement through DMAIC for aluminum alloy wheel machining
• Examining significant factors in micro and small enterprises performance: case study in Amhara region, Ethiopia
• General form of a cooperative gradual maximal covering location problem
• An iterative method for tri-level quadratic fractional programming problems using fuzzy goal programming approach
• Incentive mechanism based on cooperative advertising for cost information sharing in a supply chain with competing retailers
• MTBF evaluation for 2-out-of-3 redundant repairable systems with common cause and cascade failures considering fuzzy rates for failures and repair: a case study of a centrifugal water pumping system
• Cuckoo search via Lévy flights for the capacitated vehicle routing problem
• Optimizing a multi-product closed-loop supply chain using NSGA-II, MOSA, and MOPSO meta-heuristic algorithms
• A model for distribution centers location-routing problem on a multimodal transportation network with a meta-heuristic solving approach
• An EOQ model for non-instantaneous deteriorating items with two levels of storage under trade credit policy
• Optimizing decentralized production–distribution planning problem in a multi-period supply chain network under uncertainty
• A new approach for Robot selection in manufacturing using the ellipsoid algorithm
• Acceptance sampling for attributes via hypothesis testing and the hypergeometric distribution
• Transformation from manufacturing process taxonomy to repair process taxonomy: a phenetic approach
• A hybrid CS-SA intelligent approach to solve uncertain dynamic facility layout problems considering dependency of demands