1. B. Daruka Prasad, H. Nagabhushana, K. Thyagarajan, S.C. Sharma, R.B. Basavaraj, M.V. Murugendrappa, C.S. Prakash, Int. J.Adv. Sci. Tech. Res. ISSN: 2249-9954 (2015).
2. U.K. Parashar, P.S. Saxena, A. Dig, J. Nanomater. Biostruct. 4, 159–166 (2009).
3. Biogenic synthesis of Au and Ag nanoparticles using aqueous solutions of Black Tea leaf extracts
4. Punicalagin Green Functionalized Cu/Cu2O/ZnO/CuO Nanocomposite for Potential Electrochemical Transducer and Catalyst
5. Z. Haque, P. Ranjan, Int J Sci Eng Res 5:2229–5518(2014).