TY  - BOOK
AU  - Ghanshyam N.Singh
AU  - Varagunasingh,T.V.
TI  - Environmental economics
SN  - 817099277X
U1  - 330 
PY  - 1991///
CY  - New Delhi
PB  - Cosmo Publications Private Limited
KW  - Economics
KW  - Environment
ER  -