Introduction to Energy Resources http://nsdl.niscpr.res.in/jspui/handle/123456789/666 Thu, 06 Aug 2026 11:11:03 GMT 2026-08-06T11:11:03Z Atomic Minerals and Fossil Fuels http://nsdl.niscpr.res.in/jspui/handle/123456789/667 Atomic Minerals and Fossil Fuels Dhanaraju, R Tue, 10 Jun 2008 04:18:44 GMT http://nsdl.niscpr.res.in/jspui/handle/123456789/667 2008-06-10T04:18:44Z