Haji, A.T.S. (2026) “Removal of COD, BOD, and Detergent from Laundry Wastewater Using Coconut-Shell Activated Carbon in Batch and Continuous Fixed-Bed Adsorption”, International Journal of Hydrological and Environmental for Sustainability, 5(2), pp. 101–117. doi:10.58524/ijhes.v5i2.1246.