SAFITRIYANTI, D. E. MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING DI SMPN 1 LEBONG. Jurnal Penelitian Pembelajaran Matematika Sekolah (JP2MS), [S. l.], v. 7, n. 1, p. 148–158, 2023. DOI: 10.33369/jp2ms.7.1.148-158. Disponível em: https://ejournal.unib.ac.id/JPPMS/article/view/27147. Acesso em: 1 jul. 2025.