Elvi Mailani, Johan Berkat Tubesta Lase, Meita Krisnadya Lumban Gaol, Naomi Priska Aprillia Hutapea, and Nur Rarastika, “Kajian Etnomatematika Konsep Geometri dalam Corak Kain Ulos Sumatera Utara”, Arjuna, vol. 2, no. 6, pp. 135–143, Oct. 2024.