Xu, Yongxin, <br/><br/>
Sustainable Groundwater Resources in Africa : 

 -  CRC Press,  2010. 
 - 314 pages 
<br/><br/><label>ISBN: </label>9780415876032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business & Economics.
<br/><br/><label>Dewey Class. No.: </label>333.9104096  / XU