Zeraebruk, Kahsay Negusse, Alfred O. Mayabi, John M. Gathenya, and Zemenfes Tsige. “Assessment of Level and Quality of Water Supply Service Delivery for Development of Decision Support Tools: Case Study Asmara Water Supply”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 14, no. 1 (February 14, 2014): 93–107. Accessed July 3, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1341.