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

Abdella Yimam 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

Computational Intelligence
2. Frontal and non-frontal face detection using deep neural networks (DNN)

Nitin Prasad; Bhawesh Rajpal; Kaushal Kishore Rao Mangalore; Ravi Shastri; Nikhitha Pradeep

Volume 10, Issue 1 , Winter 2021, Pages 9-21

http://dx.doi.org/10.22105/riej.2021.264744.1177

Abstract
  Face recognition has always been one of the most searched and popular applications of object detection, starting from the early seventies. Facial recognition is used for access control, authentication, fraud detection, surveillance, and by individuals to unlock their devices. The less intrusive and robustness ...  Read More

Inventory, logistics, and transportation
3. A conceptual framework of green smart IoT-based supply chain management

Hamed Nozari; Mohammad Fallah; Agnieszka Szmelter-Jarosz

Volume 10, Issue 1 , Winter 2021, Pages 22-34

http://dx.doi.org/10.22105/riej.2021.274859.1189

Abstract
  The green smart supply chain is a phenomenon that has emerged as a result of the development of sustainable and smart business and information technology trends. Sustainable and green supply chains are an innovative phenomenon that uses information technology to improve the quality of activities in operating ...  Read More

Inventory, logistics, and transportation
4. Customers' satisfaction with the level of service in Murtala Muhammad International Airport (MMIA), Lagos, Nigeria

Udoka Godwin Chike; Mobolaji S. Stephens

Volume 10, Issue 1 , Winter 2021, Pages 35-45

http://dx.doi.org/10.22105/riej.2021.263588.1174

Abstract
  The aim of this study is to examine customers’ satisfaction with the level of service in Murtala Muhammed International Airport (MMIA), Lagos, Nigeria; so as to identify the service attributes requiring managerial attention in the airport. The study evaluated twenty eight service attributes in ...  Read More