TY  - BOOK
AU  - Gupta, Om Prakash 
TI  - Elements of water pollution control engineering: Om Prakash Gupta
SN  - 9789386173225
U1  - 628.3 G9592e 
PY  - 2019///
CY  - New Deihi
PB  - Khanna Book Publishing Co. (P) Ltd.
KW  - Purification of water treatment
KW  - Sources effects and control of water pollution
KW  - Waste water / sewage treatment
ER  -