Ardito-Barletta, Nicolas. <br/><br/>
Costs and social benefits of agricultural research in México 

 - Chicago, Ill., :  The author,  1971 
 - 214 p.  ; gráf 
<br/><br/> Thesis (Ph. D.) -- University of Chicago. Faculty of the Division of the Social Science. Department of economics 
<br/><br/><label>LCCN: </label>20334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Investigación--México.<br/>Investigación--Costos.