Valdes, Alberto,  1935- <br/><br/>
Surveillance of agricultural prices and trade :  a handbook for Colombia / 
Alberto Valdes and Barry Schaeffer in collaboration with Lia Guterman 
 - Washington, D.C. :  The World Bank,  1995 
 - xi, 94 p. :  ill. ;  27 cm. 
 - World Bank technical paper ;  no. 268 .
 - World Bank technical paper ;  no. 268 .
<br/><br/><label>ISBN: </label>0821331175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural prices--Government policy--Statistics--Colombia<br/>Farm produce--Statistics--Colombia<br/>Produce trade--Statistics--Colombia