Agricultural extension / 
Hartmut Albrecht  [at all]... 
 - New Delhi :  New Age International (p) limited,  1989. 
 - V. :  ill. ;  22 cm. 
 - Rural development series. .
 - Rural development series. .
<br/><br/>Include Bibliography and Index. 
<br/><br/>V.-1--  Basic concepts and methods 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work.
<br/><br/><label>Dewey Class. No.: </label>630.715  / AGR 1989