Sulang-Sulang Pomparan Ethnic Batak Toba Study: Oral Tradition. JISIP (Jurnal Ilmu Sosial dan Pendidikan), [S. l.], v. 9, n. 3, p. 1575–1580, 2025. DOI: 10.58258/jisip.v9i3.9035. Disponível em: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/9035. Acesso em: 2 jul. 2026.