“ANALYSIS OF PUMP INSTALLATION DESIGN FOR CLEAN WATER IN PT PAMAPERSADA NUSANTARA, INDO DISTRICT - BONTANG, EAST KALIMANTAN”. Jurnal Chemurgy 6, no. 2 (December 25, 2022): 86–96. Accessed October 31, 2026. https://e-journals.unmul.ac.id/index.php/TK/article/view/9395.