Rodiah, Siti, Ratih Rizqi Nirwana, Desti Erviana, Nina Ariesta, Damayanti Iskandar, and Hapin Afriyani. 2026. “Waste-Derived CaO Modified TiO₂ With Reduced Band Gap and Improved Photoresponse under Visible Light”. Journal of Multidisciplinary Applied Natural Science, July. Metro, Indonesia. https://doi.org/10.47352/jmans.2774-3047.459.