European journal of operational research 

 - Amsterdam :  Elsevier Science Publishers,  ? -  
 - v. 
<br/><br/><label>ISSN: </label>0377-2217 
 = European journal of operational research 
 = Eur. j. oper. res. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVESTIGACION OPERATIVA
<br/><br/><label>Universal Decimal Class. No.: </label>65