KARAKTERISTIK DAN STATUS MUTU KUALITAS AIR SUNGAI SANGATTA,  KUTAI TIMUR BERDASARKAN METODE INDEKS PENCEMARAN DAN STORET  . TAS [Internet]. 2026 Oct. 10 [cited 2026 Oct. 12];5(2):128-3. Available from: http://e-journals2.unmul.ac.id/index.php/mes/article/view/4765