List of Articles Open Access Article Abstract Page Full-Text 1 - A Model of Main Challenges of Tehran Municipal Employees Productivity Enhancement: A Case Study of the Department of Urban and Environmental Services Mehdi Rahmani Vladimir Harutyunyan Mehdi Mortazavi Ali RajabZadeh Qatari 10.30495/qjopm.2019.668703 20.1001.1.27169979.1398.13.3.1.6 Open Access Article Abstract Page Full-Text 2 - A Human Resources Development Model for Small and Medium Enterprises (SMEs) via the Three-Branch Management Model Approach Houshang Mobarakabadi Vahid Nasehifar Maghsoud Amiri 10.30495/qjopm.2019.668704 20.1001.1.27169979.1398.13.3.2.7 Open Access Article Abstract Page Full-Text 3 - A Model of Knowledge Management Implementation at the University of Mazandaran Ayoub Ramezani Mehrdad Madhoshi Hamidreza Fallah Lajimi Nader Razeghi 10.30495/qjopm.2019.668707 20.1001.1.27169979.1398.13.3.3.8 Open Access Article Abstract Page Full-Text 4 - A Multi-Purpose Mathematical Model for Solving Multi-Mode Resource Constrained Project Scheduling Problem(M-RCPSP) and Environmental Effects:Augmented Ε-Constraint Method Hosseinali Heydari Heirsh Soltanpanah Hiva Faroughi Ayoub Rahimzadeh 10.30495/qjopm.2019.668705 20.1001.1.27169979.1398.13.3.4.9 Open Access Article Abstract Page Full-Text 5 - The Effect of Productivity and Unemployment Rate on Wages in the Economy of Iran from 1971 to 2016: The ARDL Approach samad karrari Mustafa Ersungur 10.30495/qjopm.2019.668696 20.1001.1.27169979.1398.13.3.5.0 Open Access Article Abstract Page Full-Text 6 - Analyzing the Relationship among Humanized Flexible Manufacturing System (HFMS) Enablers in Auto Manufacturing Industries using Fuzzy Cognitive Map Gholamreza Jamali Masoumeh Mohammadi 10.30495/qjopm.2019.668706 20.1001.1.27169979.1398.13.3.6.1 Open Access Article Abstract Page Full-Text 7 - Supply Chain Analysis via the Queuing Theory Approach Morteza Shafiee Mahsa Rafatmah 10.30495/qjopm.2019.668708 20.1001.1.27169979.1398.13.3.7.2 Open Access Article Abstract Page Full-Text 8 - Proposing an Employee Participation Pattern in Implementing Public Policy to Promote Municipal Productivity Rostam Gharehdaghi Morteza Mousakhani Karimollah Daneshfard Hassan Givarian 10.30495/qjopm.2019.668702 20.1001.1.27169979.1398.13.3.8.3