Original Article
Solving a Vehicle Routing Problem under Uncertainty by a Differential Evolution Algorithm

Alireza Salamatbakhsh; Reza Tavakkoli-Moghaddam; Ali Pahlevani

Volume 1, Issue 4 , February 2021, Pages 310-319

Abstract
  Purpose:In the real world, because of decreasing the related cost, the vehicles should return to the depot after serving the last customer’s location. This paper investigates the problem of the increasing service time by using the stochastic time for each tour such that the total traveling time ...  Read More

Original Article
Ranking of Executive Actions of Technology Roadmap with the Emphasis on Resources and Technology Acquisition (A Case Study of Two International Roadmaps)

Kiarash Fartash; Mostafa Mohseni Kiasari

Volume 1, Issue 4 , February 2021, Pages 320-346

Abstract
  Purpose: The main objective of this paper is to rank the executive actions of the technology roadmaps with emphasis on resources and technology acquisition. Methodology: In order to achieve this goal, firstly, literature on the role of technology, including approaches, frameworks of roadmap drawing, ...  Read More

Original Article
Develop and Select A Strategy for Interaction with Stakeholders During the Project Life Cycle in Oil Projects

Raman Rezaei

Volume 1, Issue 4 , February 2021, Pages 347-362

Abstract
  Purpose:The aim of this study was to develop and select a strategy for interacting with stakeholders during the project life cycle in oil projects using SWOT matrix in Excel, fuzzy tops method and a proposed mathematical model in Pars Oil and Gas Company. Methodology:For this purpose, 9 strengths, 8 ...  Read More

Original Article
Measuring the Efficiency and Productivity of Cement Companies in Tehran Stock Exchange by Data Envelopment Analysis and Malmquist Productivity Index in Gray Environment

Farjam Kayedppour; Shadi Sayadmanesh; Yasamin Salmani; Zahra Sadeghi

Volume 1, Issue 4 , February 2021, Pages 363-382

Abstract
  Purpose: In this study, in order to measure the efficiency and productivity of companies in the cement industry of the Tehran Stock Exchange, the gray data envelopment analysis approach and the Malmquist productivity index have been used. Methodology: For this purpose, in the first step, we identify ...  Read More

Original Article
A Mathematical Model for Suppliers' Evaluation and Purchasing Spare Parts (A case study: Ferdowsi Power Plant, Mapna Operation and Repair Company)

Alireza Rashidi Komijan; Ahmad Masoudifar

Volume 1, Issue 4 , February 2021, Pages 383-402

Abstract
  Purpose: One of the most important issues in supplying equipment and managing spare parts for power plant industries is evaluating and selecting suppliers and assigning orders to them. The aim of this study is to achieve a comprehensive model for ranking the suppliers, classification the parts, evaluation ...  Read More

Original Article
Design of A New Fuzzy Expert System for Project Portfolio Risk Management

Masoumeh Zahedi; Mohamad Khalilzadeh; Hasan Javanshir

Volume 1, Issue 4 , February 2021, Pages 403-421

Abstract
  Purpose: The aim of this study was to design a new fuzzy expert system for project portfolio risk management in ongoing projects of a first mobile holding. Methodology: To do this; To identify the risks from the Dematel method developed in Excel, to evaluate and determine the most important risks from ...  Read More

Original Article
Feasibility and Implementation of Integrated Management of The West Coast of The Mazandran Province According to the ICZM

Habibeh Karimi; Khatereh Bagherzadeh Asl; Samira Torabi

Volume 1, Issue 4 , February 2021, Pages 422-449

Abstract
  Purpose: The integrated coastal zone management (ICZM) was considered the main way of solving environmental problems. In addition, there are many countries in the world that attempt in providing the human needs to coastal region services in order to the natural border of these zones. The main purpose ...  Read More