Indraratna, A. D. V. de S. <br/><br/>
Prāyōgika ārthika vidyāva. 

 -  1965] 
 - 200 p.  21 cm. 
<br/><br/> In Sinhalese. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>sa 68006279  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sri Lanka--Economic conditions.
<br/><br/><label>LC Class. No.: </label>HC424  / .I514