“Analisis Status Mutu Air Berbasis Indeks Pencemaran Pada Sungai Marengan Kecamatan Kota Sumenep”. Jurnal Serambi Engineering 10, no. 3 (June 28, 2025). Accessed June 25, 2026. http://jse.serambimekkah.id/index.php/jse/article/view/935.