TY  - BOOK
AU  - Manoj Tiwari
AU  - Kapil Khulbe & Archana Tiwari 
TI  - Environmental Studies
SN  - 9788188237821
U1  - 363.7 
PY  - 2012///
CY  - New Delhi
PB  - I.K.International
KW  - Environmental
N1  - Quantity Number:  1
ER  -