Review Paper Fuzzy optimization
A Signed Distance Method for Solving Multi-Objective Transportation Problems in Fuzzy Environment

Hamiden Abdelwahed Khalifa

Articles in Press, Accepted Manuscript, Available Online from 30 October 2021

http://dx.doi.org/10.22105/riej.2021.281055.1203

Abstract
  fuzzy parameters represented as (α,β) interval-valued fuzzy numbers instead of the normal fuzzy numbers. Using the signed distance ranking, the problem converted into the corresponding crisp multi objective transportation problem. Then, the solution method introduced by [8] for solving the ...  Read More

Research Paper Supply chain management
Evaluating of Effective Factors on Green Supply Chain Management using Statistical Methods and SWARA Approach

Abbas Nasiri; Ali Mansory; Nabiollah Mohammadi

Articles in Press, Accepted Manuscript, Available Online from 17 February 2022

http://dx.doi.org/10.22105/riej.2022.309927.1257

Abstract
  Major purpose of this research is identification and evaluating of effective factors on implementation of GSCM (green supply chain management) at Fanavaran Petrochemical Company by using statistical methods of Kolmogorov-Smirnov, mean and decision making method by topic SWARA (Stepwise Weight Assessment ...  Read More

Research Paper Forecasting, production planning, and control
Overall Productivity Assessment Using the Performance Objectives Productivity (PO-P) Approach: A Case Study

Seife Ebeyedengel Tekletsadik

Articles in Press, Accepted Manuscript, Available Online from 05 March 2022

http://dx.doi.org/10.22105/riej.2022.320275.1273

Abstract
  During my travel to the research case industry to advice internship placed students of our university, I have communicated with company owners that there is a problem related with productivity measurment andimprovement. So that we have decided to assess the overall productivity of the company with the ...  Read More

Research Paper Industrial Mathematics
On prognosis of manufacturing of a C-multiplier with decreased dimensions of field-effect heterotransistors. Influence of missmatch-induced stress and porosity of materials on technological process

Evgeny L. Pankratov

Articles in Press, Accepted Manuscript, Available Online from 19 March 2022

http://dx.doi.org/10.22105/riej.2022.323547.1279

Abstract
  In this paper we introduce an approach to increase density of field-effect transistors framework a C-multiplier. Framework the approach we consider manufacturing the inverter in heterostructure with specific configuration. Several required areas of the heterostructure should be doped by diffusion or ...  Read More

Research Paper Management Sciences
Entrepreneurial team characteristics, social interactions, and the success of information technology (IT) start-ups

Fatemehsadat Seyedalikhani; Afsaneh Bagheri; Seyed Mojtaba Sajadi

Articles in Press, Accepted Manuscript, Available Online from 28 March 2022

http://dx.doi.org/10.22105/riej.2022.324420.1285

Abstract
  Exploring the factors that shape a start-up’s success has been the focus of a growing number of studies. Entrepreneurial teams have a high impact on new ventures' success. They significantly influence the growth, profitability, and innovation of new businesses, specifically in information ...  Read More

Review Paper Management Sciences
Development of the Field of Organizational Performance during the Industry 4.0 Period

Buşra Taşkan; Buket Karatop

Articles in Press, Accepted Manuscript, Available Online from 06 April 2022

http://dx.doi.org/10.22105/riej.2022.324520.1286

Abstract
  As well as social and cultural life, commercial life has also been affected by the industrial revolutions. Because the structures of enterprises have changed how their performance is evaluated, have indispensably changed. In today's brutally competitive environment, it is of great importance that ...  Read More

Research Paper Supply chain management
COVID-19 and Food Supply Chain Disruptions in Bangladesh: Impacts and Strategies

Doulotuzzaman Xames; Fowzia Tasnim; Tamanna Islam Mim; Asduzzaman Kiron

Articles in Press, Accepted Manuscript, Available Online from 09 April 2022

http://dx.doi.org/10.22105/riej.2022.309459.1253

Abstract
  The COVID-19 pandemic has pushed the world into chaos as it has never seen before. Bangladesh, a country of developing economy, has experienced severe disruptions in almost all sectors. Its food supply chain has become one of the most vulnerable sectors when exposed to those stoppages and uncertainties ...  Read More

Research Paper Mathematical modelling
A Numerical Solution for the Fractional Ideal Equation of Thermoelectric Coolers

Farhad Shariffar; Peyman Pirmohabbati; Amir Hossein Refahi Sheikhani

Articles in Press, Accepted Manuscript, Available Online from 28 April 2022

http://dx.doi.org/10.22105/riej.2022.323524.1281

Abstract
  One of the fields studied in the science of heat physics is the thermoelectric phenomenon. This phenomenon is in fact the interaction between the current of electricity and the thermal properties of a system. In simpler terms, it is a phenomenon in which the direct conversion of a temperature difference ...  Read More

Research Paper Operations Research
A numerical investigation on the springback in air V-bending of Aluminum 1050A

Chokri Ben salem; Walid Meslameni

Articles in Press, Accepted Manuscript, Available Online from 29 May 2022

http://dx.doi.org/10.22105/riej.2022.337535.1308

Abstract
  Bending is a sheet forming operation in excess of the elasticity limit of the material. Currently, in the industry, bending operation is carried out by a successive test method in order to have the geometry of the part, which generates the operation quite long and too expensive. In fact, springback ...  Read More

Research Paper Mathematical modelling
Blood supply chain network design considering responsiveness and reliability in conditions of uncertainty using the Lagrangian relaxation algorithm

Alireza Hamidieh; ali johari

Articles in Press, Accepted Manuscript, Available Online from 31 May 2022

http://dx.doi.org/10.22105/riej.2022.323321.1277

Abstract
  The growing need for adequate and safe blood and the high costs of health systems have prompted governments to improve the functioning of health systems. One of the most critical parts of a health system is the blood supply chain, which accounts for a significant share of the health system's costs. ...  Read More

Research Paper Banking industry
Identifying key indicators for developing the use of blockchain technology in financial systems

Yousef Babazadeh; Naser Fegh-hi Frahamand; Mohammad Pasebani; Yaguoob Alavi Matın

Articles in Press, Accepted Manuscript, Available Online from 19 June 2022

http://dx.doi.org/10.22105/riej.2022.331964.1300

Abstract
  Internet-based financial systems and communications have entered a new phase with the advent of blockchain technology and cryptocurrencies. The new economic system with its transparency, privacy, and peer-to-peer networking, has attracted the attention of economists. The advent of cryptocurrencies has ...  Read More