Ernita Daulay, Khairina Nasution, Akmal, and Karisma Erikson Tarigan. “Lexicons of Flora and Fauna in Upah-Upah Ceremony at Mandailing Tribe Wedding in Matondang Village Padang Lawas Regency: An Ecolinguistic Perspective”. British Journal of Biology Studies 1, no. 1 (November 15, 2021). Accessed July 6, 2025. https://al-kindipublishers.org/index.php/bjbs/article/view/2372.