TY  - BOOK
AU  - Mukhopadhyay,Jayashree
TI  - Environment quiz
SN  - 8186207260 (pbk.) :
U1  - 333.7076 
PY  - 1999///
CY  - Calcutta
PB  - Indian Pub. House
KW  - Environmental policy
KW  - Mathematical models
KW  - Natural resources
KW  - Management
ER  -