TY  - BOOK
AU  - Meena,Vijay Kumar
AU  - Meena,Brij Mohan
AU  - Meena,Om Prakash
AU  - Meena,Ram Naresh
TI  - Basic concepts in environmental science
SN  - 9789386319500
U1  - 660  
PY  - 2020///
CY  - Jaipur; India
PB  - Paradise Publishers, 
N1  - 600-699
ER  -