Patrick Sibanda. “Analysis of Sign Language Proficiency Among Teachers of the Deaf in Primary Schools in Bulawayo (Zimbabwe): Implications for Learning and Inclusion”. Pure and Applied Science Advances 4, no. 9 (September 25, 2015): 157-165. Accessed January 13, 2026. http://www.sjournals.com/index.php/sjpas/article/view/292.