TY  - BOOK
AU  - SAWHNEY (G S)
TI  - Non-conventional energy resources
SN  - 978-81-203-4609-3
U1  - 333.79 SAWN 
PY  - 2012///
CY  - New Delhi
PB  - PHI Learning Pvt Ltd
KW  - Economics
KW  - Natural Resources & Energy
ER  -