WAHYUNI, T.; SYUTARIDHO, S.; EFRIANI, A. The Effect of Implementing the PBL Model on Students’ Problem-Solving Abilities in Middle School. Edumatica : Jurnal Pendidikan Matematika, [S. l.], v. 13, n. 03, p. 247-257, 2023. DOI: 10.22437/edumatica.v13i03.28953. Disponível em: https://online-journal.unja.ac.id/edumatica/article/view/28953. Acesso em: 30 jun. 2024.