Dhanapala, H.A <br/><br/>
Loka sanwardana gatalu 

 - Colombo  S. Godage & Brothers   1992 
 - 80 p ., 
<br/><br/><label>ISBN: </label>9552003814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Studies<br/>World Development
<br/><br/><label>Dewey Class. No.: </label>307  / DAN