Amarasena, Sudath Manjula <br/><br/>
සංකාර්ය පර්යේෂණ 
= Samkarya paryesana = operational research 


 - 2nd 
 - Marndagahamula  Sudath Manjula Amarasena  2000 
 - 274p. 
<br/><br/><label>ISBN: </label>9789559705406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MANAGEMENT<br/>RESEARCH
<br/><br/><label>Dewey Class. No.: </label>658.4034  / A51