Ateba, Benedict Belobo, and Johannes Jurgens Prinsloo. “The Electricity Security in South Africa: Analysing Significant Determinants to the Grid Reliability”. International Journal of Energy Economics and Policy, vol. 8, no. 6, Oct. 2018, pp. 70-79, https://mail.econjournals.com/index.php/ijeep/article/view/6864.