Valdes, Alberto  <br/><br/>
Surveillance of Agricultural Price and Trade Policies;  A Handbook for Paraguay/ 
Alberto Valdes and Barry Schaeffer. 
 - Washington D. C :   The world bank,   1996. 
 - 51p;  ill. 
<br/><br/><label>ISBN: </label>0821336940 
<br/><br/><label>Dewey Class. No.: </label>338.18  / VAL.N6