Ojo-Fafore, Elizabeth, Clinton Aigbavboa, and Wellington Thwala. “The Impact of the Covid 19 Pandemic on the Development of the Fourth Industrial Revolution in Southern Africa”. Journal of Intellectual Disability - Diagnosis and Treatment 9, no. 1 (February 26, 2021): 56–63. Accessed December 28, 2024. http://lifescienceglobalca.com/index.php/jiddt/article/view/7190.