Agricultural extension :  a reference manual / 
[edited by] Burton E. Swanson. 
 - 2nd edition. 
 - Rome :  Food and Agriculture Organization of the United Nations,  c1984. 
 - xi, 262 pages :  Illustrations ;  30 cm. 
<br/><br/>Bibliography: p. 232-240. 
<br/><br/><label>ISBN: </label>925101504X (pbk.) 
<br/><br/><label>LCCN: </label>85189774 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>S544  / .A58 1984 
<br/><br/><label>Dewey Class. No.: </label>630/.7/15