International Conference inLaguna(2nd: Philippines: 1991) <br/><br/>
Proceeding of the 2nd annual upward International Conference: Sweet potato cultures of asia 
/2-5 April 1991 
 - Laguna  UPLB Campus  1991 
 - 490 pages 
<br/><br/> Include references 
<br/><br/><label>ISBN: </label>9716140010 
<br/><br/><label>Dewey Class. No.: </label>633.492  / INT