Improving agricultural extension :  a reference manual 
/ed. by Burton E. Swanson, Robert P. Bentz and Andrew J. Sofranko 
 - Rome :  FAO,  1997. 
 - 220 p. 
<br/><br/><label>ISBN: </label>9251040079 
<br/><br/><label>LCCN: </label>78746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desarrollo rural.<br/>Extensión agrícola.
<br/><br/><label>Dewey Class. No.: </label>630.717  / F31