TY  - BOOK
AU  - Bhagrava rajat.,
TI  - World encyclopedia of sustainable development  : : golbal sustainable development  / 
SN  - 9788171394746
U1  - 333.7 
PY  - 2011///
CY  - New Delhi
PB  - Jnanada Prakashan
KW  - Economics ofland & energy
ER  -