Gokakakar, S.D., and A.V. Salker. “Photocatalytic Degradation of Rhodamine B Using Aqueous Free-Base Porphyrin and Metalloporphyrins of Mn, Fe and Sn”. Asian Journal of Chemistry, vol. 34, no. 4, Mar. 2022, pp. 834-40, doi:10.14233/ajchem.2022.23583.