Decision analysis and methods
1. Greedy algorithm for solving student allocation problem in internship program: a case study

Abdella Yimam Ali

Volume 10, Issue 2 , Spring 2021, , Pages 155-164

http://dx.doi.org/10.22105/riej.2021.266125.1179

Abstract
  This paper presented greedy algorithm for solving student allocation problem that has arisen in internship program. In internship program, engineering students stay one semester in industries which are located across the country and teachers visit students once/twice for supervision during the program. ...  Read More

Industrial Management
2. Implementation of Six Sigma DMAIC methodology for increasing the competitiveness of SMEs in Ethiopia

A. Y. Ali

Volume 10, Issue 1 , Winter 2021, , Pages 1-8

http://dx.doi.org/10.22105/riej.2021.266497.1183

Abstract
  Six Sigma has gained wide acceptance as an improvement methodology to enhance the organization competitiveness in market. For SMEs building a competitive advantage is a difficult task. Changes in the economic environment affect the way such entities perceive factors which could help them not only survive ...  Read More

Other
3. Six Sigma-DMAIC and food waste hierarchy-based framework for reducing food waste in University canteens in Ethiopia

A. Y. Ali

Volume 9, Issue 1 , Winter 2020, , Pages 77-83

http://dx.doi.org/10.22105/riej.2020.209160.1105

Abstract
  The aim of this paper is to propose a Six Sigma-DMAIC and food waste hierarchy-based framework that can be successfully implemented by Ethiopian University canteen managers to reduce food waste in a sustainable way. The importance of this research is twofold. First, the Six Sigma-DMAIC methodology is ...  Read More

Other
4. Application of total productive maintenance in service organization

A. Y. Ali

Volume 8, Issue 2 , Spring 2019, , Pages 176-186

http://dx.doi.org/10.22105/riej.2019.170507.1076

Abstract
  This paper discusses the application of TPM in copy centre in Woldia University located in Woldia town, north wollo, Amhara region, Ethiopia. The problem encountered in the centre includes long waiting time due to frequent breakdown of equipment, unpleasant work environment, defective product etc. This ...  Read More