Alias, Asmawati @ Fatin Najihah, et al. “Synthesis and Characterization of Fe2O3 G-C3N4 Photocatalyst from Waste Toner Powder”. Malaysian Journal of Catalysis, vol. 9, no. 1, Mar. 2025, pp. 16-21, doi:10.11113/mjcat.v9n1.185.