“Komparasi Kinerja Membran Ultrafiltrasi Polyvinylidene Fluoride   dan Polivinyl Chloride  Pada Air Sungai Jagir Dalam Menurunkan TDS”. 2025. Jurnal Serambi Engineering 10 (4). http://jse.serambimekkah.id/index.php/jse/article/view/1345.