OSEI, Richard Boateng; AWUAH, Francis Kwadwo; DANSO, Manasseh. YouTube Tutorials Videos and Student Achievement in Mathematics: A Case in Bosomtwe Girls’ STEM School. EIKI Journal of Effective Teaching Methods, London, U.K., v. 4, n. 1, 2026. DOI: 10.59652/823dgj68. Disponível em: http://journals.eikipub.com/index.php/jetm/article/view/789. Acesso em: 13 may. 2026.