HUSEIN, Ahmad. Banjir dan Pencemaran Kali Surabaya. Cakrawala, [S. l.], v. 6, n. 1, p. 60–72, 2011. DOI: 10.32781/cakrawala.v6i1.144. Disponível em: https://www.cakrawalajournal.org/index.php/cakrawala/article/view/144. Acesso em: 10 jun. 2026.