TY  - BOOK
AU  - Kothari,D.P.
AU  - Singal,K.C.
AU  - Ranjan,Rakesh
TI  - Environmental science and engineering
SN  - 9788184875041
AV  - TD146 .H45 1989
PY  - 2017///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Environmental engineering
KW  - Environmental protection
KW  - Human ecology
N1  - includes index
ER  -