IRWAN, I. Influence Of Problem Based Learning Models (Pbl) To Problem-Solving Ability Mathematical . Journal of World Science, [S. l.], v. 1, n. 4, p. 173–179, 2022. DOI: 10.58344/jws.v1i4.22. Disponível em: https://jws.rivierapublishing.id/index.php/jws/article/view/22. Acesso em: 15 jul. 2026.