Advanced short course on Water Saving and Increasing Water Productivity :  Challenges and Options / 
Compilation by Atef Hamdy 
 - xvii,(Various pages):  illustrations ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Pollution Control<br/>Water Management
<br/><br/><label>Dewey Class. No.: </label>333.9116  / A244