"Uadayanga, S." <br/><br/>
කලමණාකරණය සරලව/ 
S. Uadayanga 
 - Nugegoda:  "Vishva Lekha,"  2005 
 - 374p. 
<br/><br/><label>Subjects--Index Terms: </label>management 
<br/><br/><label>Dewey Class. No.: </label>658