1. Identifying and ranking effective lean production factors on economic performance of production companies in Mazandaran province of Iran based on FDANP approach

Mohammad Ehsanifar; Nima Hamta; Fariba EsmaeilZadeh

Volume 6, Issue 2 , Summer and Autumn 2019, , Pages 65-77

http://dx.doi.org/10.22116/jiems.2019.92258

Abstract
  This paper identified and ranked the lean product factors effecting economic function of production companies in Mazandaran province. 24 sub-factors and five main factors were categorized including supplier management, purchase and provision system, human resource organization, organizing, leadership, ...  Read More

2. A Simulation Approach to Evaluate Performance Indices of Fuzzy Exponential Queuing System (An M/M/C Model in a Banking Case Study)

Mohammad Ehsanifar; Nima Hamta; Mahshid Hemesy

Volume 4, Issue 2 , Summer and Autumn 2017, , Pages 35-51

http://dx.doi.org/10.22116/jiems.2017.54604

Abstract
  This paper includes a simulation model built in order to predict the performance indicessuch aswaiting time by analyzing queue’s components in the real world under uncertain and subjective situation. The objective of this paper is to predict the waiting time of each customer in an M/M/C queuing ...  Read More