ABDULSALAM MOHAMMED ALHAFIDH, D. Effectiveness of an educational software suggested according to private teach in achievement for 10th secondary class for chemical bonds. College of Basic Education Research Journal, [S. l.], v. 14, n. 2, p. 175–214, 2018. DOI: 10.33899/berj.2018.146383. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/38838. Acesso em: 27 oct. 2025.