Integrated development for water supply and sanitation:  proceedin gs [of the] 25th WEDC Conference [held] Addis Ababa, Ethiopia,1999 / 
edited by John Pickford. 
 - Leicestershire, UK:  Water, Engineering and Development Centre ,  1999. 
 - xx, 431 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>0906055679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water- supply<br/>Sanitation
<br/><br/><label>Dewey Class. No.: </label>628.1