SIMANJUNTAK, Y. A. C.; NASUTION, F.; NASUTION, H. Identifikasi Faktor Pergeseran Nilai Ulos sebagai Warisan Budaya Batak Modern. Engineering and Technology International Journal, [S. l.], v. 7, n. 03, p. 118–125, 2025. DOI: 10.55642/eatij.v7i03.1158. Disponível em: https://www.mand-ycmm.org/index.php/eatij/article/view/1158. Acesso em: 2 aug. 2026.