Rajitha, Beerelli, and Padma Suvarna. “Enhancing Photocatalytic Activity of Bismuth Ferrite (BiFeO3) via Gadolinium and Copper Doping: A Sol-Gel Synthesis and Characterization Study”. Journal of Multidisciplinary Applied Natural Science, vol. 4, no. 1, Oct. 2023, pp. 97-107, doi:10.47352/jmans.2774-3047.192.