Dalrymple, Dana G <br/><br/>
Survey of multiple cropping in less developed nations 

 - Washington D.C.  Economic Research Service  1968 
 - 108 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.1  / DAL