How Open Has The Sri Lankan Economy Become ? Trends In  Trade and Trade Taxes :1977-93    English . 
Institute Of Policy Studies , Dushni Weerakon , Howard White . 
 - Sri Lanka :  Institute Of Policy Studies,  1995. 
 - 21p.:  ill.;  29cm. 
 - Research Studies Macro Economic Series No9. .
<br/><br/><label>Dewey Class. No.: </label>330.122095493  / INS