Farmers of the world: the development of agricultural extension 
edited by Edmund de S. Brunner, Irwin T. Sanders and Douglas Ensminger 
 - New York  Columbia University Press  1954 
 - 208p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farmers<br/>Agricultural Extension
<br/><br/><label>Dewey Class. No.: </label>Z12 B836