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• Geremew.Sisay Service Performance Improvement Model: The Case of Teklehaymanot General Hospital [ Vol.11, Issue 1 - Winter Year 2018]
• Ghadimi.Pezhman An Integrated Approach of Fuzzy Quality Function Deployment and Fuzzy Multi-Objective Programming Tosustainable Supplier Selection and Order Allocation [ Vol.11, Issue 1 - Winter Year 2018]
• Ghalebsaz-Jeddi.Babak Three Approaches to Time Series Forecasting of Petroleum Demand in OECD Countries [ Vol.11, Issue 2 - Spring Year 2018]
• ghane.mahshid A Stochastic Optimization Approach to a Location-Allocation Problem of Organ Transplant Centers [ Vol.11, Issue 1 - Winter Year 2018]
• ghodoosi.mohammad The Optimal Number of Hospital Beds Under Uncertainty: A Costs Management Approach [ Vol.11, Issue 2 - Spring Year 2018]