Schaeffer,Barry Valdes,Alberto <br/><br/>
Surveillance of agricultural prioces and trade  Handbook for Colombia / Alberto Valdes and Barry Schaeffer 

 - Washington, D.C  World Bank  1995 
 - xi, 94p. 
 - World Bank technical paper number .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural prices<br/>Agriculture<br/>Farm produce - Columbia