TY  - BOOK
AU  - Chin, David A.
TI  - Water Quality Engineering in Natural Systems 
SN  - 0471718300
U1  - 628.168 
PY  - 2006///
CY  - Hoboken, Nj : 
PB  - Wiley Interscience, 
KW  - Water Quality Management
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-471-71830-0.pdf
ER  -