Gaya, U., & Abdul-Aziz Umar, S. . (2019). Optimised Photocatalytic Degradation of Crystal Violet Over 1wt% MgO-ZnO Composite Catalyst. Journal of Science and Technology, 11(1), 25-33. https://publisher.uthm.edu.my/ojs/index.php/JST/article/view/4297