Blackburn, Donald J. <br/><br/>
Extension hadbook 

 - Guelph, Ontario :  University of Guelph,  1984 
 - 167 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>17706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educación de adultos.<br/>Extensión universitaria.
<br/><br/><label>Dewey Class. No.: </label>374  / B5