Riak , Dr Gabriel Alier, and Dut Bol Ayuel Bill. “MEASUREMENT OF DEVELOPMENT & CAUSES OF UNDERDEVELOPMENT IN AFRICA”. IJRDO - Journal of Social Science and Humanities Research 7, no. 8 (August 17, 2022): 179-189. Accessed December 28, 2024. http://cpcalendars.ijrdo.org/index.php/sshr/article/view/5263.