ERMAWATI, L. S.; ATIQOH; WIYARNO, Y. THE EFFECT OF PROBLEM BASED LEARNING MODEL AND ACHIEVEMENT MOTIVATION ON MATHEMATICS LEARNING OUTCOMES. Jurnal Mantik, [S. l.], v. 6, n. 2, p. 2120-2126, 2022. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/2747. Acesso em: 4 jun. 2026.