“Optimization of TiO2 Photocatalyst Through The Variation of Zinc Ratio for Degradation Organic Dye Methylene Blue”. Journal of Science and Informatics for Society (JSIS) 2, no. 1 (September 26, 2026): 23–31. Accessed November 8, 2026. https://jsis.universitaspertamina.ac.id/index.php/JSIS/article/view/60.