Cahyorini, K., Suwardi, Narsito, and K. Indriana. “Synthesis and Characterization of Visible-Light Active Nitrogen-Doped TiO2 Photocatalyst”. Asian Journal of Chemistry 24, no. 1 (September 30, 2011): 255–260. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/16018.