Rizqia, N.Y. et al. 2025. Coagulation Using Coagulant Combined from Peat Clay Soil and Alum in Removal of Color in Peat Water. Jurnal Teknik Lingkungan. 31, 2 (Oct. 2025), 35–42. DOI:https://doi.org/10.5614/j.tl.2025.31.2.4.