Dissanayaka, Karunathilaka <br/><br/>
ව්‍යාපාර සංඛ්‍යානය 
= Viyapara sankhiyanaya (business statistics) 


 - Colombo:  Ratna poth,  1997. 
 - 482p.;  20 cm. 
<br/><br/><label>ISBN: </label>955-569-0129-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management<br/>Business Studies
<br/><br/><label>Dewey Class. No.: </label>650.01513  / DIS