The Effect of Kaolin Coating on Titanium Dioxide (TiO₂) and Zinc Oxide (ZnO) on the Photocatalytic Activity of Thin Films. Inventa [Internet]. 2026 Apr. 18 [cited 2026 May 17];1(3):190-20. Available from: https://scriptaintelektual.com/inventa/article/view/1028