Obialor, Michael C. “Effect of Government Human Capital Investment on Economic Growth in Sub-Saharan Africa: Evidence from Nigeria, South Africa and Ghana (1980-2013)”. International Journal of Asian Social Science 7, no. 4 (January 21, 2017): 328–339. Accessed December 23, 2024. https://archive.aessweb.com/index.php/5007/article/view/2884.