Sodik, M.A. and Kusuma , H.J. 2023. Utilization of water hyacinth In Reducing Levels of Chemical Oxygen Demand And Acidity of Tofu Industry Liquid Waste . Indonesian Journal of Nutritional Epidemiology and Reproductive. 6, 1 (Jan. 2023), 36–43. DOI:https://doi.org/10.30994/ijner.v6i1.119.