Simbolon, Roma Sinta Br, Mujuranto Sihotang, and Karisma Tobing. “Threads of Tradition: Silalahi Ulos Weaving and Cultural Significance in North Sumatra”. Jurnal Ilmu Pendidikan dan Humaniora 11, no. 2 (May 30, 2022): 138–152. Accessed April 19, 2026. https://www.journals.ristek.or.id/index.php/jiph/article/view/20.