Komparasi Kinerja Membran Ultrafiltrasi Polyvinylidene Fluoride   dan Polivinyl Chloride  Pada Air Sungai Jagir dalam Menurunkan TDS. jse. 2025;10(4). Accessed July 1, 2026. http://jse.serambimekkah.id/index.php/jse/article/view/1345