ABDUL WAHID, . .; ROHENDI, . .; FAJRI, . 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/lingkar/article/view/4116. Acesso em: 23 dec. 2024.