NGIBAD, Khoirul. Analisis Kadar Fosfat Dalam Air Sungai Ngelom Kabupaten Sidoarjo Jawa Timur. Jurnal Pijar Mipa, [S. l.], v. 14, n. 3, p. 197–201, 2019. DOI: 10.29303/jpm.v14i3.1158. Disponível em: http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/1158. Acesso em: 22 nov. 2024.