Zilfa, Zilfa, and Ria Elvi Susanti. “The Degradation of Congo Red Color Substance in Ozonolysis Way by the Addition of ZnO/ Zeolite Catalyst and Its Analysist Using HPLC”. Jurnal Katalisator 6, no. 1 (May 3, 2021): 13–20. Accessed September 17, 2021. http://publikasi.lldikti10.id/index.php/katalisator/article/view/209.