Sitinjak, W. P., Purnomo, B. . and Syarifuddin, A. . (2025) “Eksistensi Aliran Kepercayaan Ugamo Malim Masyarakat Batak Toba 2016-2024”, Indonesian Research Journal on Education, 5(6), pp. 257 –. doi: 10.31004/irje.v5i6.3503.