Sibanda, Patrick, and Sylod Chimhenga. “Perceptions of Sign Language Among Teachers in Schools That Enroll Deaf Children in Bulawayo (Zimbabwe)”. Scientific Journal of Pure and Applied Sciences 5, no. 5 (May 15, 2016): 440-454. Accessed May 21, 2022. http://www.sjournals.com/index.php/sjpas/article/view/179.