The effect of using the McCarthy model (4mat) on mathematics achievement among second year secondary school students. Sana’a University Journal of Human Sciences, [S. l.], v. 2, n. 1, p. 1–25, 2024. DOI: 10.59628/jhs.v2i1.406. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/406. Acesso em: 18 jun. 2026.