The Degradation of congo red color substance in ozonolysis way by the addition of ZnO/ zeolite catalyst and its analysist using HPLC. katalisator [Internet]. 2021 May 3 [cited 2026 Jul. 13];6(1):13-20. Available from: https://publikasi.lldikti10.id/index.php/katalisator/article/view/209