Sivakumar S santhanam, Muthamilarasu A A, sivakumar m murugesan, Sakthi D sakthi, and Vadivel P vadivel, “Preparation and physicochemical analysis of Co3O4/SnO2/TiO2 hybrid ternary systems with enhanced photocatalytic activity under solar light irradiation”, JOAASR, vol. 3, no. 6, pp. 21–32, Dec. 2021.