Najib Nafis, Hilda Sartika and Mutia Rahmi 2024. Photocatalytic Degradation of Congo Red with Sol-Gel Immobilized TiO₂ Thin Layers on the Inner Surface of a Glass Tube Column . Chemistry Journal (CJ). 1, 1 (Jun. 2024), 01–25. DOI:https://doi.org/10.70076/cj.v1i1.29.