Planning technologies appropriate for farmers :  concepts and procedures / 
prepared by the CIMMYT Economics Program. 
 - Mexico :  International Maize and Wheat Improvement Center 
 - 75 p. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research.<br/>Agricultural innovations--Research.<br/>Agricultural machineries--Research.