Agricultural extension worldwide:   issues, practices, and emerging priorities/ 
Edited by  Rivera, William M 
 - London:  Croom helm,  c1987. 
 - x,294p.;ill.  includes bibliographical references and indexes,  22x14cm. 
<br/><br/><label>ISBN: </label>0-7099-4238-9 
<br/><br/><label>Dewey Class. No.: </label>630.715 AGR