Wayan Mariati, N., Jonathan Lie, M. and Arum Wicaksono, D. 2026. Differences in Fluoride Content of Drinking Water in Mountain and Coastal Communities. Eduvest - Journal of Universal Studies. 6, 3 (Mar. 2026), 3490–3500. DOI:https://doi.org/10.59188/eduvest.v6i3.52392.