SIMBOLON, Antonius KAP. 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. DOI: 10.31949/dm.v3i2.1514. Disponível em: https://www.ejournal.unma.ac.id/index.php/dm/article/view/1514. Acesso em: 16 jun. 2026.