Yohannes BY, Utomo SW, Agustina H. Kajian Kualitas Air Sungai dan Upaya Pengendalian Pencemaran Air. IJEEM [Internet]. 2019Jul.30 [cited 2024May19];4(2):136 -155. Available from: https://journal.unj.ac.id/unj/index.php/ijeem/article/view/11358