Thamrin, T. and Gani, M.H. 2026. A SOCIOLINGUISTICS SURVEY IN FOUR HIGH LANGUAGE CONTACT AREAS IN WEST SUMATRA: TOWARDS AN ASSESSMENT OF THE MINANGKABAU LANGUAGE VITALITY. Kongres Internasional Masyarakat Linguistik Indonesia. 2025, (Apr. 2026). DOI:https://doi.org/10.51817/kimli.v2025i.186.