adawiyah, Robiatul, Saimul Laili, and Ahmad Syauqi. 2017. “Uji Kualitas Air Sungai Bengawanjero Di Desa Bojoasri Kecamatan Kalitengah Kabupaten Lamongan: Water Quality Test of Bengawanjero River in Bojoasri Village of Kalitengah District of Lamongan Regency”. Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) 3 (3):1-9. https://doi.org/10.33474/e-jbst.v3i3.130.