Yurfadilah, S., L. H. Parapat, Nurhidayah, H. Parapat, H. Wildani, and D. Milqa. “Shift of Muarasipongi Language Among Teenagers in Educational Context”. Journal of Angkola-Mandailing Culture, vol. 1, no. 1, May 2026, pp. 16-28, doi:10.64733/journalangkola-mandailing.v1i1.100.