ISTIAN, N. S. Problem-Based Learning Methods In Mathematics Courses: Systematic Literature Review. International Journal of Business, Law, and Education, [S. l.], v. 6, n. 1, p. 948 - 955, 2025. DOI: 10.56442/ijble.v6i1.1119. Disponível em: http://www.ijble.com/index.php/journal/article/view/1119. Acesso em: 5 jul. 2025.