TY  - BOOK
AU  - Droste, Ronald L.
TI  - Theory and Practice of Water and Wastewater Treatment 
SN  - 9812530983
U1  - 628.162 
PY  - 2005///
CY  - Singapore : 
PB  - John Wiley Asia, 
KW  - Sewage Purification
KW  - Water Purification
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/9812-53-098-3.pdf
ER  -