Aprilia, P., K. Amri, Annahari, A. A. Parapat, S. R. Hasibuan, and R. A. Harahap. “Mandailing Language Maintenance in the Era of Globalization: Challenges, Strategies, and Prospects”. International Journal of Angkola-Mandailing Culture, vol. 1, no. 1, Sept. 2025, pp. 25-37, doi:10.64733/journalangkola-mandailing.v1i1.99.