F.  Ram, Gudadhe, A., Vijayakanth, T., Aherrao, S., Borkar, V., Boomishankar, R., and Shanmuganathan, K., ?Nanocellulose reinforced flexible composite nanogenerators with enhanced vibrational energy harvesting and sensing properties?, vol. 2, no. 7, pp. 2550-2562, 2020.

F.  Ram, Suresh, K., Torris, A., Kumaraswamy, G., and Shanmuganathan, K., ?Highly compressible ceramic/polymer aerogel-based piezoelectric nanogenerators with enhanced mechanical energy harvesting property?, Ceramics International, vol. 47, no. 11, pp. 15750-15758, 2021.