Duol Kuey Deng, Getahun Tigistu, and Durga Prasad Sharma. “CLOUD BASED E-LEARNING MODEL FOR ETHIOPIAN EMPLOYEES”. International Journal of Information Technology & Computer Sciences Perspectives 8, no. 02 (June 30, 2019): 2937-2948. Accessed June 8, 2025. https://itcsp.gfer.org/index.php/itcsp/article/view/27.