Economics and the design of small-farmer technology / 
[edited by] Alberto Valdés, Grant M. Scobie, John L. Dillon. 
 - Ames :  Iowa State University Press,  c1979. 
 - xii, 211 pages :  Illustrations ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 197-204. 
<br/><br/><label>ISBN: </label>0813819105 
<br/><br/><label>LCCN: </label>78018917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural innovations--Congresses.<br/>Agriculture--Economic aspects--Congresses.<br/>Farms, Small--Congresses.<br/>Rural development--Congresses.
<br/><br/><label>LC Class. No.: </label>HD1476.A3  / I57 1975 
<br/><br/><label>Dewey Class. No.: </label>338.1/6