Kipkosgei, Saina Phillip. “Mother-Tongue Instruction As a Catalyst for STEM Learning Outcomes and School Retention in Sub-Saharan Africa: A Longitudinal Quasi-Experimental Study”. African Journal of Pedagogy and Curriculum 8, no. 1 (August 30, 2026): 112–130. Accessed June 22, 2026. https://ajopac.com/index.php/ajopac/article/view/133.