Spencer, J. E. <br/><br/>
Shifting cultivation in southeaster Asia 

 - Berkeley, Cal. :  University of California,  1966 
 - 247 p.  : ilus. ; mapas 
<br/><br/><label>LCCN: </label>57748 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Trópicos.<br/>Roza.<br/>Sistemas de cultivo.
<br/><br/><label>Dewey Class. No.: </label>631.5  / S6