Albrecht, Hartmut Bergmann, Herbert Diederich, Georg Grober, Eberhard <br/><br/>
Agricultural extension 

 - New Delhi  Wiley eastern limited  1989 
 - 2V.(722p.); 22cm. 
 - Rural development series .
<br/><br/> Contents : V1. Basic concepts and methods V2.Examples and background material 
<br/><br/><label>ISBN: </label>3880853649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension<br/>Agriculture<br/>Extension methods<br/>Rural development