List of Articles Productivity Enhancement Open Access Article Abstract Page Full-Text 1 - Systemic Model of University Human Resource Productivity Improvement via Fuzzy Dimatel Approach: The Case of Islamic Azad University Branches in East Azerbaijan Province mehrdad ghaffari zenuzi serajeddin mohebbi karamollah daneshfard 10.30495/qjopm.2020.670491 Open Access Article Abstract Page Full-Text 2 - Performance Evaluation and Improvement via Mathematical Modeling: Total Cost of Ownership maghsoud amiri Masoumeh T. Hasani Farhad Hadinejad 10.30495/qjopm.2020.574312.2183