Political Party System  Of Sri Lanka/  eng. 
C.R De Silva .  
 - Colombo :  Sri Lanka Foundation  Institute ,  1987. 
 - 43p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>9555920028 
<br/><br/><label>Dewey Class. No.: </label>324.25493  / POL