M.Y. AL-KHAFAJI, W.; K. MOHAMMED, B.; J.Y. AL-KHALIDI, N. The effect of Mastery learning strategy on the development of Academic Achievement for Sixth Primary Class pupils. College of Basic Education Research Journal, [S. l.], v. 14, n. 2, p. 307–330, 2018. DOI: 10.33899/berj.2018.146400. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38835. Acesso em: 26 oct. 2025.