TY  - BOOK
AU  - Callan, Scott J.
AU  - Thomas, Janet M.
TI  - Environmental economics and managment: Theor, Policy and applications 
SN  - 9788131527641
U1  - 338.927 
PY  - 2019///
CY  - New Delhi
PB  - Cenage Learning
KW  - Economics
ER  -