Kumar, H.D. .
Energy and natural resources sustainability and management / by H.D. Kumar. - New Delhi : Vitasta Publishing Pvt. Ltd. , 2008 - 619p ;
81-89766-79-1
Economics
X:271:(*) / P8;2
Energy and natural resources sustainability and management / by H.D. Kumar. - New Delhi : Vitasta Publishing Pvt. Ltd. , 2008 - 619p ;
81-89766-79-1
Economics
X:271:(*) / P8;2