sin autor <br/><br/>
Social science research for agricultural technology development spatial and temporal dimension/ 
Karen Ann Dvorák, Ed 
 - 223p/24cm 
<br/><br/><label>ISBN: </label>0-85198-806-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVESTIGACION
<br/><br/><label>Dewey Class. No.: </label>001.4 1973