TY  - BOOK
AU  - Dohiya,Puspha
AU  - Ahlawat,Manisha
TI  - Environmental science: a new approach 
SN  - 9788184870756 (pbk.)
U1  - 333.7 22
PY  - 2013///
CY  - New Delhi
PB  - Narosa Pub.
KW  - Environmental science
N1  - Includes index; Glossary: p.G 1- G 7
ER  -