1. Feakins, D. and Franks, F. (1967) Physico-chemical processes in mineral solvent. Heinmann Educational Book Ltd, London.
2. Kolthoff, I.M. and Lingane, J.J. (1952) Polarography. Interscience Publisher, New York.
3. Rao, G.N. (1989) Complex equilibria of some biologically important metal ions in aquo-organic media, PhD thesis. Andhra University, Visakhapatnam, India.
4. Rao, G.N. and Rao, R.S. (2005b) Computer applications in chemistry, pp. 277–352. Himalaya Publishing House. Mumbai.