TY  - BOOK
AU  - Varandani, N S
TI  - Environmental engineering: Principles and practives
SN  - 978-93-325-8195-1
U1  - 628.1 
PY  - 2017///
CY  - India
PB  - Pearson
N1  - Environmental microbiology, Waste waters, Noise, Air pollution
ER  -