ULFAH, M.; FATIRUL, A. N.; WALUJO, D. A. THE EFFECT OF PROBLEM BASED LEARNING (PBL) STRATEGY, AND LEARNING MOTIVATION ON STUDENTS’ CHEMISTRY LEARNING OUTCOMES. Jurnal Mantik, [S. l.], v. 6, n. 2, p. 2111-2119, 2022. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/2746. Acesso em: 10 may. 2026.