Roling, Niels <br/><br/>
Extension science  information system in agricultural development 

 - Cambridge  Cambridge University Press  1988 
 - xii,233p.  23cm 
 - Cambridge studies in agricultural development .
<br/><br/><label>ISBN: </label>0521348870 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.7  / ROL