Weerakoon, Dushni How open has the Sri Lankan economy become? trends in trade and trade taxes;1977-93 - Colombo IPS 1995 - 21p. - Research Studies : Macroeconomic Series No. 9 . ISBN: 9789559122449 Subjects--Topical Terms: OPEN ECONOMY - SRI LANKA Dewey Class. No.: 339 / W22