“PURIFYING TURBID WATER BY MORINGA SEEDS AND SAND FILTER METHODE AT NORTH HUIDU VILLAGE, GORONTALO DISTRICT, INDONESIA” (2020) International Interdisciplinary Conference on Sustainable Development Goals, 2(1), hlm. 29–37. Tersedia pada: https://journals.ubmg.ac.id/index.php/IICSDGs/article/view/83 (Diakses: 3 April 2026).