NAINGGOLAN, Mangido. THE EXISTENCE OF BATAK ULOS IN THE AREA OF HEGEMONY. E-Journal of Cultural Studies, [S.l.], p. 1-8, may 2020. ISSN 2338-2449. Available at: <https://ojs.unud.ac.id/index.php/ecs/article/view/63723>. Date accessed: 16 apr. 2026. doi: https://doi.org/10.24843/cs.2020.v13.i02.p01.