Zakie, Z. . “Effectiveness of One Stop Service Centers in Micro and Small Scale Enterprise Development Sector: The Case of Selected Woreda in Addis-Ketema Sub-City, Addis Ababa”. African Journal of Leadership and Development, vol. 3, no. 1, Dec. 2018, pp. 20-43, doi:10.20372/ajold.2018.3.1.2.