ABDUL WAHID, Mulyadi; ROHENDI, Aulia; FAJRI, Rahmat. PENENTUAN STATUS MUTU AIR SUNGAI LAE SORAYA KOTA SUBULUSSALAM DENGAN METODE INDEKS PENCEMARAN. Lingkar: Journal of Environmental Engineering, [S. l.], v. 4, n. 2, p. 48–60, 2024. Disponível em: https://journal.ar-raniry.ac.id/index.php/lingkar/article/view/4116. Acesso em: 16 sep. 2025.