Douglas E. Horton <br/><br/>
Social scientists in agricultural research : Lessons from the mantaro valley project, peru 

 - Lima  International Potato center  1984 
 - 67p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-88936-400-1 
<br/><br/><label>Dewey Class. No.: </label>630.2  / HOR