“GROUNDWATER TESTING TESTING THE CHEMICAL AND PHYSICAL PROPERTIES OF GROUNDWATER: PENGUJIAN SIFAT KIMIA DAN FISIKA AIRTANAH ”, JISTECH, vol. 13, no. 2, Nov. 2024, Accessed: Aug. 06, 2026. [Online]. Available: https://jistechunipa.com/index.php/istech/article/view/428