TY  - BOOK
AU  - Kumar, H.D.  .
TI  - Energy and natural resources sustainability and management / 
SN  - 81-89766-79-1
U1  - X:271:(*) 
PY  - 2008///
CY  - New Delhi : 
PB  - Vitasta Publishing Pvt. Ltd. , 
KW  - Economics
ER  -