Pramaningsih V, Suprayogi S, Setyawan Purnama IL. KAJIAN PERSEBARAN SPASIAL KUALITAS AIR SUNGAI KARANG MUMUS, SAMARINDA, KALIMANTAN TIMUR. JPSL [Internet]. 2017 Dec. 1 [cited 2026 Jul. 1];7(3):211-8. Available from: https://journal.ipb.ac.id/jpsl/article/view/15156