SIMBOLON, A. K. . Pengaruh Model Pembelajaran Treffinger Berbantuan Alat Peraga Terhadap Kemampuan Pemecahan Masalah Matematis. Jurnal Didactical Mathematics, [S. l.], v. 3, n. 2, p. 20–28, 2021. Disponível em: https://ejournal.unma.ac.id/index.php/dm/article/view/1514. Acesso em: 30 jun. 2022.