Ruthenberg, Hans <br/><br/>
Innovation policy for small farmers in the tropics : the economics of technical innovations for agricultural development 

 - Oxford  Clarendon Press  1985 
 - 176 
<br/><br/><label>Subjects--Topical Terms: </label><br/> EXPLOTACION EN PEQUEA ESCALA <br/> INNOVACIONES AGRICOLAS <br/> CAMBIO TECNOLOGICO <br/> DESARROLLO AGRICOLA