GUMAL, E. A. A. . Factors Affecting the Teaching of Public High School Mathematics Teachers in the Province of Lanao del Sur and Maguindanao. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 4, p. 51–59, 2016. Disponível em: https://ijlter.myres.net/index.php/ijlter/article/view/943. Acesso em: 24 jun. 2026.