Deffi Ayu Puspito Sari, Rahma Dewi Hutami, Aqil Azizi, and Sirin Fairus. 2019. “Analysis of Water Quality Based On Phytoplankton Abundance And Number of Nutrients”. Agricultural Science 3 (1), 57-72. http://agriscience.scientific-work.org/index.php/agriscience/article/view/33.