Davis Richard <br/><br/>
Water quality :   assessment and protection 

 - Washington D.C. :  The World Bank ,  2003. 
 - 32p. :  ill. :;  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality<br/>Environmental aspects
<br/><br/><label>LC Class. No.: </label>IRA QTO TD345.E59No.D.1