“Photocatalytic Degradation of Congo Red and Methyl Orange Dye Under Visible Light Using Silver and Iron Co-Doped TiO2 Nanoparticles”. Indian Journal of Pure & Applied Physics (IJPAP), vol. 60, no. 4, June 2023, pp. 325-34, https://doi.org/10.56042/ijpap.v60i4.58599.