TY  - BOOK
AU  - Purohit,S.S.
TI  - Environmental science: A New Approach
SN  - 978-8177542103
U1  - 333.7 
PY  - 2012///
CY  - Veer Brothers, Mandsaur
PB  - Agrobios (India)
KW  - Environmental sciences
ER  -