Dhanitha M.A., Nimisha K.V., and Janardanan C., “Ion Exchange Kinetics of Pb2+, Cu2+, Cd2+ and Mn2+ Ions on Thermally Stable Bimetallic Ion Exchange Material: TitaniumTin Tungstate ”, IJRCE, vol. 5, no. 4, pp. 110–116, Sep. 2015.