Williams, D. B.    1920- <br/><br/>
Agricultural extension :    farm extension services in Australia, Br itain and the United States of America /  
Donald B. Williams. 
 - Carlton, Vic. :    Melbourne University Press,    1968. 
 - xi, 218 p. ;    23 cm. 
<br/><br/>  Includes index. 
<br/><br/>Bibliography: p. 205-214. 
<br/><br/><label>ISBN: </label>0522838413 
<br/><br/><label>LCCN: </label>72-400145 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agricultural extension work.
<br/><br/><label>Dewey Class. No.: </label>630.71/5