World water day  March-2010, on the theme of communicating water quality challenges and opportunities /  [Book] : 
Pakistan Engineering Congress. 
 - Lahore :  Pakistan Engineering Congress,  2010. 
 - 146 p. ;  22 cm. 
<br/><br/> All. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water conservation--Engineering aspects.<br/>Water quality management--Congresses.--Developing countries<br/>Water.
<br/><br/><label>Dewey Class. No.: </label>627