Agricultural extension :    world wide institutional evolutions and forces for change /  
edited by William M. Rivera and Daniel S. Gustaf son. 
 - Amsterdam :    Elsevier,    1991. 
 - xv, 312 :    ill. ;    28 cm. 
<br/><br/>Includes bibliographic references and index 
<br/><br/><label>ISBN: </label>0444892397 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agricultural extension work.<br/> Agricultural innovations.
<br/><br/><label>Dewey Class. No.: </label>630.715