Agricultural extension services in the USA. 

 - Paris :  OEEC ,  1951 
 - 202p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>United States<br/>Agricultural extension work
<br/><br/><label>Dewey Class. No.: </label>630.973  / OEEC