ASRORI, M. K. . PEMETAAN KUALITAS AIR SUNGAI DI SURABAYA. Envirotek : Jurnal Ilmiah Teknik Lingkungan, [S. l.], v. 13, n. 2, p. 41–47, 2021. DOI: 10.33005/envirotek.v13i2.127. Disponível em: https://envirotek.upnjatim.ac.id/index.php/envirotek/article/view/127. Acesso em: 19 may. 2024.