List of Articles and Sensitivity Analysis Open Access Article Abstract Page Full-Text 1 - An analytical model for estimating the reliability of critical software systems by considering the self-healing property of bottleneck components Ali Tarinejad Habib Izadkhah Mohammad Reza MollaHosieni Kamal Mirzaie Open Access Article Abstract Page Full-Text 2 - Calculation of Elasticity of CO2 Emission Intensity of Energy-Intensive Industries with the Approach of Identifying Important Input-Output Coefficients Elaheh Shareie Ali Faridzad ali asghar banouei Open Access Article Abstract Page Full-Text 3 - Purchasing Inventory Models for Deteriorating Items with Linear Demand and Shortages - in Third Order Equation Sivashankari C.K.