Wiston, Modise. “An Overview of the Swell Dynamics and Their Implications over Africa: Significance to Climate Change and Forcing”. International Astronomy and Astrophysics Research Journal 1, no. 1 (August 28, 2019): 1-20. Accessed January 25, 2022. https://journaliaarj.com/index.php/IAARJ/article/view/2.