How farm people accept new ideas  / 
Iowa State College 
 - Ames, Iowa  :   The College 
 - 11 p. 
 - Iowa Agr. Ext. Serv. North Central Regional Publication; 1 .
<br/><br/><label>LCCN: </label>202448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extensión agrícola