Clark, Colin <br/><br/>
The economics of irrigation 

 - 2nd rev.ed. 
 - Oxford  Pergamon Press  1970 
 - 155 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.1  / CLA