“PURIFYING TURBID WATER BY MORINGA SEEDS AND SAND FILTER METHODE AT NORTH HUIDU VILLAGE, GORONTALO DISTRICT, INDONESIA”. International Interdisciplinary Conference on Sustainable Development Goals, vol. 2, no. 1, November 2020, hlm. 29-37, https://journals.ubmg.ac.id/index.php/IICSDGs/article/view/83.