SIMATUPANG , Ruth Remilani; ROHMADI , Muhammad; SADDHONO , Kundharu. Pemakaian Bahasa Batak Toba di Lingkungan Pendidikan. Jurnal Pendidikan Islam Indonesia, [S. l.], v. 2, n. 2, p. 246–257, 2018. DOI: 10.35316/jpii.v2i2.78. Disponível em: https://ojs.pps-ibrahimy.ac.id/index.php/jpii/article/view/78. Acesso em: 29 apr. 2026.