SURYAWAN, I.W.K. , PRAJATI, G. , AFIFAH, A.S. and APRITAMA, M.R. 2021. NH3-N and COD Reduction in Endek (Balinese Textile) Wastewater by Activated Sludge under Different DO Condition with Ozone Pretreatment. Walailak Journal of Science and Technology (WJST). 18, 6 (Mar. 2021), Article 9127 (11 pages). DOI:https://doi.org/10.48048/wjst.2021.9127.