TY  - BOOK
AU  - Helmer,Richard
AU  - Hespanhol,Ivanildo
ED  - United Nations Environment Programme.
ED  - Water Supply and Sanitation Collaborative Council.
ED  - World Health Organization.
ED  - ebrary, Inc.
TI  - Water pollution control: a guide to the use of water quality management principles 
AV  - TD365 .W364 1997eb
U1  - 363.739/4 21
PY  - 1997///
CY  - London, New York
PB  - E & FN Spon
KW  - Water quality management
KW  - Water
KW  - Purification
KW  - Electronic books
KW  - local
N1  - "Published on behalf of UNEP, United Nations Environment Program, Water Supply & Sanitation Collaborative Council, World Health Organization."; Includes bibliographical references and index; Electronic reproduction; Palo Alto, Calif.; ebrary; 2009; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://ezproxy.taylors.edu.my/login?url=http://site.ebrary.com/lib/taylorscollege/Doc?id=10057296
ER  -