TY  - BOOK
AU  - Purkayastha, Gautam, ed.
TI  - Environmental economics: Theory, problems and solutions
U1  - 333.7 P975E 
PY  - 2006///
CY  - Ludhiana
PB  - Kalyani Publishers
N1  - 1828 09/01/2015 HBD252 05/02/2015 Main Budget
ER  -