Criteria for and approaches to water quality management in developin g countries /    
United Nations Department of Technical Co-operation fo r Development. 
 - New York  :   United Nations,   1991. 
 - xiv, 388 p.  :    ill.  ;    28 cm. 
 - Natural resources/water series ;   no. 26. .
<br/><br/>  United Nations publication sales no. E.91.II.A.1"--Verso t.p. 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>9211043573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management ----Developing countries.----