MARGANA, Akhmad. Pengaruh Penggunaan Model Pembelajaran Problem Based Instruction terhadap Kemampuan Pemecahan Masalah Matematis. Mosharafa: Jurnal Pendidikan Matematika, [S. l.], v. 4, n. 3, p. 131–138, 2015. DOI: 10.31980/mosharafa.v4i3.337. Disponível em: https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/337. Acesso em: 5 jul. 2024.