Wayamba journal of management vol.2, no.1&2 :  June-2011 / 

 - Kuliyapitiya :  Wayamba University of Sri Lanka  2011 
 - v.p. 
<br/><br/><label>ISSN: </label>20126182 
<br/><br/><label>Dewey Class. No.: </label>658.05  / WAY