Hlongwane, Nyiko Worship, Hlalefang Khobai, and Ombeswa Ralarala. “Assessing the Impact of Energy Sources and Macroeconomic Factors on Environmental Sustainability: Evidence from South Africa”. International Journal of Energy Economics and Policy 16, no. 1 (January 1, 2026): 1190–1207. Accessed April 21, 2026. https://econjournals.com/index.php/ijeep/article/view/22009.