“TiO2/Zeolite/Coal/Fly/Ash/Nanocomposite/for/Photodegradation/of/Naphthol/Blue/Black/Dye:/Optimization/and/Mechanism/under/Visible/Light”. Jurnal Kimia Valensi 11, no. 1 (June 9, 2025): 92–104. Accessed December 22, 2025. https://journal.uinjkt.ac.id/valensi/article/view/45036.