"Opatha, H.H.D.N.P." <br/><br/>
Personal quality / 
H.H.D.N.P. Opatha 
 - Nugegoda:  "Opatha,"  2010 
 - 247p. 
<br/><br/><label>Subjects--Index Terms: </label>professionalsorganizations 
<br/><br/><label>Dewey Class. No.: </label>658.4