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• Radfar.Reza Prioritizing Factors Affecting Perspectives on Organizational Productivity via Paired Comparisons: Saipan Automotive Group [ Vol.13, Issue 4 - Winter Year 1398]
• Rahimzadeh.Ayub A Multi-Purpose Mathematical Model for Solving Multi-Mode Resource Constrained Project Scheduling Problem(M-RCPSP) and Environmental Effects:Augmented Ε-Constraint Method [ Vol.13, Issue 3 - Autumn Year 1398]
• rahmani.mehdi A Model of Main Challenges of Tehran Municipal Employees Productivity Enhancement: A Case Study of the Department of Urban and Environmental Services [ Vol.13, Issue 3 - Autumn Year 1398]
• rahmani.mehdi A Model of Main Challenges of Tehran Municipal Employees Productivity Enhancement: A Case Study of the Department of Urban and Environmental Services [ Vol.13, Issue 3 - Autumn Year 1398]
• Rajabzadeh Qatri.Ali A Model of Main Challenges of Tehran Municipal Employees Productivity Enhancement: A Case Study of the Department of Urban and Environmental Services [ Vol.13, Issue 3 - Autumn Year 1398]
• Ramazanian.Mohamad Rahim Investigation of Bank Management Performance Using DEA Technique (Case Study of Different Branches of Tehran Banks) [ Vol.13, Issue 2 - Summer Year 1398]
• ramezani.ayoub A Model of Knowledge Management Implementation at the University of Mazandaran [ Vol.13, Issue 3 - Autumn Year 1398]
• Rasooli saghai.Hassan Identification of Challenges and Designing a Product Sale Improvement Model via Structural Equation Modelling: East Azarbaijan Electronic Power Industry [ Vol.13, Issue 1 - Spring Year 1398]
• Roosta.Ahmad Designing an Innovative Services Acceptance Model: A New Approach in Health Marketing [ Vol.13, Issue 4 - Winter Year 1398]