TY  - BOOK
AU  - Mukhopadhyay Jayashree.
TI  - Environment Quiz
U1  - 1 थ 99 
PY  - 1999///
PB  - Indian Publishing House , Calcutta.
KW  - Environment Quiz
KW  - इ.डी.यू
N2  - इ.डी.यू
ER  -