Williams, Donald B.  1920- <br/><br/>
Agricultural extension;  farm extension services in Australia, Britain and the United States of America 
[by] Donald B. Williams. 
 - [Carlton, Vic.]:  Melbourne University Press,  [1968] 
 - xi, 218 p. 
<br/><br/><label>ISBN: </label>0522838413 
<br/><br/><label>LCCN: </label>55051566 
<br/><br/><label>Nat. Bib. No.: </label>Aus68-578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work.
<br/><br/><label>LC Class. No.: </label>S544  / .W49