Water :  global challenges & policy of freshwater use 

 - Belmont, CA  :  National Geographic Learning :  Brooks/Cole Cengage Learning,  c2013 
 - vii, 149 p. :  col. ill., col. maps ;  26 cm. 
 - National Geographic learning reader .
 - National Geographic learning reader series .
<br/><br/><label>ISBN: </label>9781133603672 113360367X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--supply