Pengaruh Penerapan Model Pembelajaran Problem Based Learning (PBL) terhadap Kemampuan Pemecahan Masalah Matematis Siswa SMP. Lentera: Jurnal Ilmiah Kependidikan, [S. l.], v. 19, n. 1, p. 145–156, 2026. DOI: 10.52217/hz0zp171. Disponível em: https://jurnal.stkippgribl.ac.id/index.php/lentera/article/view/2128. Acesso em: 23 aug. 2026.