KURNIAWAN, Hendra; FADILLAH, Nurul. The Effect of pH Variations and Aluminum Sulfate Coagulant Dosage on Reducing Turbidity in Salupangkang Tua River Water. Journal of Green Chemical and Environmental Engineering, [S. l.], v. 1, n. 1, p. 20–27, 2025. DOI: 10.63288/jgcee.v1i1.3. Disponível em: https://ejournal.candela.id/index.php/jgcee/article/view/6. Acesso em: 3 sep. 2025.