Schonherr, Siegfried <br/><br/>
New extension methods to speed up diffusion of agricultural innovations 

 - Nairobi  : University of Nairobi,  1974. 
 - 16p.  : ill.  ; 31cm. 
 - Discussion paper; No.196 - 230 all bound in one book .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural innovations
<br/><br/><label>LC Class. No.: </label>EAF QTO H31.N28 No.200