Ortiz, S. R. <br/><br/>
Uncertainities in peasant farming  a Colombian case 

 - New York  Humanities Press  1973 
 - x, 294p. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0485195461 
<br/><br/><label>Dewey Class. No.: </label>338.109861  / Or77.UP