Vitalia Hanako Murni Simanjuntak, Fernando De Napoli Marpaung. Threats and Preservation Efforts of Local Languages in a Heterogeneous City: A Case Study of Medan, North Sumatra. SENARILIP [Internet]. 2025 Dec. 24 [cited 2026 Jan. 10];7(1):98-107. Available from: https://ojs2.pnb.ac.id/index.php/SENARILIP/article/view/2908