Byerlee, Derek. <br/><br/>
Planning technologies appropriate to farmers  : concepts and procedures 

 - México, D. F. :  CIMMYT,  1980 
 - 71p. 
<br/><br/><label>LCCN: </label>26332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Innovaciones tecnológicas.<br/>Agricultura--Investigación.
<br/><br/><label>Dewey Class. No.: </label>630.72  / B9