Assariy, N.F. and Pratama, A.P. 2025. Optimizing geothermal brine for balneological use: An integrated study of health, engineering, social, and economic dimesion. Journal of Innovation Materials, Energy, and Sustainable Engineering. 3, 1 (Jul. 2025). DOI:https://doi.org/10.61511/jimese.v3i1.2025.2108.