World development report, 1998/99: Knowledge for development. 

 - Washington, D.C. : World Banck : Oxford University Press, 1998. 
 - viii, 252 p.; 27 cm. map., retrs., lamns. 
<br/><br/><label>ISBN: </label>0195211189 (paperback) 0-19-521119-7 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 330.191. 6 (100)=20 "1998" INF.