Agustina, A., Nusi , A., Nurizzati, N., Kartika , D., Ramadhan , A., & Elpalina , S. (2026). Prototype of Virtual Linguistic Landscape (VLL)-Based Mobile Application in West Sumatra. Salud, Ciencia Y TecnologĂ­a, 6, 2543. https://doi.org/10.56294/saludcyt20262543