http://127.0.0.1/xmlui/handle/123456789/10744 Thu, 16 Apr 2026 18:14:09 GMT 2026-04-16T18:14:09Z http://127.0.0.1/xmlui/handle/123456789/10745 Bio and Non-Bio based Flexible Self-Powered Efficient Piezoelectric Nanogenerator for Portable Smart Electronics Applications Karan, Sumanta Kumar Mon, 01 Jul 2019 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/10745 2019-07-01T00:00:00Z