"Sedara, N." <br/><br/>
අළෙවි ජයමග/ 
N.Sedara 
 - Colombo:  "Rathne,"  2003 
 - 138p. 
<br/><br/><label>Subjects--Index Terms: </label>marketing 
<br/><br/><label>Dewey Class. No.: </label>658