DABDOUB, M.; AL-RAWI, O. Use of qualitative control and discriminatory function in applied studies. Journal of Education and Science (JES), [S. l.], v. 19, n. 1, p. 203–220, 2007. DOI: 10.33899/edusj.2007.51155. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24308. Acesso em: 8 aug. 2025.