Agricultural extension :  worldwide institutional evolution and forces for change / 
edited by William M. Rivera and Daniel J. Gustafson. 
 - Amsterdam :  Elsevier,  1991. 
 - xv, 312 p. :  ill. 
<br/><br/><label>ISBN: </label>0444892397 
<br/><br/><label>LCCN: </label>92034358     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work.