Dr. Thewodros K. Geberemariam. “Public Work Engineering Leadership Challenges in Covid-19 Era: A Boss, A Manager, or A Leader”. International Journal of Engineering and Management Research 10, no. 6 (December 31, 2020): 52–56. Accessed March 17, 2026. https://ijemr.vandanapublications.com/index.php/j/article/view/171.