Sulistiono E, Syakbanah NL, Agustin VE. Identification of Pollutant Distribution in Kaliotik River Water Through Oxygen Levels, EPT, and Biotic Index. envirotek [Internet]. 2025Dec.12 [cited 2025Dec.13];17(2):25-32. Available from: https://envirotek.upnjatim.ac.id/index.php/envirotek/article/view/2212