FITRIANI, Indah. PERANAN MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PESERTA DIDIK KELAS VII SMP. Jurnal Pendidikan Tambusai, [S. l.], v. 2, n. 2, p. 841–846, 2018. DOI: 10.31004/jptam.v2i4.31. Disponível em: http://jptam.org/index.php/jptam/article/view/31. Acesso em: 5 apr. 2025.