Trigo, Eduardo J. <br/><br/>
Agriculture in the new regional context:  future technological challenges /  [impreso] 
Eduardo J. Trigo 
 - San José, Costa Rica:  IICA,   1991 
 - 22 páginas 
<br/><br/><label>ISBN: </label>[Sin ISBN] 
<br/><br/><label>ISSN: </label>0534-5391 
<br/><br/><label>Subjects--Topical Terms: </label>