TY  - BOOK
AU  - Kumar, Arvind  	
AU  - Preeti
TI  - Environment new challenges /			
SN  - 9788170355199
U1  - 333.7 KUM 
PY  - 2008///
CY  - New Delhi : 
PB  - Daya Publishing House,	
N1  - Includes Index.
ER  -