The effectiveness of an educational program based on the Schmeck model in achievement And the deep understanding of the third intermediate students in mathematics. Journal of Misan Researches, [S. l.], v. 17, n. 33, p. 346–372, 2021. Disponível em: https://jmr.uomisan.edu.iq/index.php/jmr/article/view/54. Acesso em: 26 jul. 2026.