TESTING OF THE PHYSICAL AND CHEM TESTING OF THE PHYSICAL AND CHEMICAL PROPERTIES OF GROUNDWATER IN SENTANI AND SURROUNDING AREA: PENGUJIAN SIFAT FISIS DAN KIMIA AIR TANAH DI DAERAH SENTANI DAN SEKITARNYA. JISTECH. 2024;12(2). doi:10.30862/jistech.v12i2.249