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