Mawaddati, I. ., I. . Munfarida, and A. Hakim. “Perhitungan Beban Pencemaran Air Kali Jagir Kota Surabaya Provinsi Jawa Timur”. Al-Ard: Jurnal Teknik Lingkungan, vol. 7, no. 1, Nov. 2021, pp. 33-43, https://jurnalsaintek.uinsby.ac.id/index.php/alard/article/view/1279.