SITINJAK, W. P.; PURNOMO, B. .; SYARIFUDDIN, A. . Eksistensi Aliran Kepercayaan Ugamo Malim Masyarakat Batak Toba 2016-2024. Indonesian Research Journal on Education, [S. l.], v. 5, n. 6, p. 257 –, 2025. DOI: 10.31004/irje.v5i6.3503. Disponível em: https://irje.org/irje/article/view/3503. Acesso em: 10 nov. 2026.