SIREGAR, E. F.; AISSYAH OCTAWENI; RAHMAWATI. An Analysis of the Sigificance and Religious Purpose of Upah-Upah Tondi Tradition Contained in Batak Mandailing Tribe. International Journal of Educational Research Excellence (IJERE), [S. l.], v. 4, n. 2, p. 813–817, 2025. DOI: 10.55299/ijere.v4i2.1501. Disponível em: https://ejournal.ipinternasional.com/index.php/ijere/article/view/1501. Acesso em: 7 dec. 2025.