Hoekman, Bernard Trade preferences and differential treatment of developing countries : a selective survey / Bernard Hoekman, Caglar Ozden - Washington,DC : World Bank (WB) , 2005 - 45p. : ill. ; 25cm. - Policy Research Working Paper No. 3566 . Includes bibliographical references and index. Subjects--Topical Terms: Economic growthGATTWTODeveloping countries Gov. Doc. Class. No.: UN WB PRWP-3566