Pengaruh Diameter dan Ketebalan Pasir Silika Pada Saringan Pasir Lambat (SPL) Menurunkan Parameter Kekeruhan, TDS, pH, Total Coliform, dan COD. Indonesian Journal of Engineering (IJE), [S. l.], v. 5, n. 1, p. 29–45, 2025. DOI: 10.69503/ije.v5i1.964. Disponível em: https://ejournal.ununtb.ac.id/index.php/ije/article/view/964.. Acesso em: 6 may. 2026.