Borrell, Brent A survey of the costs of world sugar policies / Brent Borrell & Ronald C. Duncan - Washington, DC : World Bank (WB) , 1990 - 26p. : ill. ; 28 cm. - Policy, research, and external affairs working papers ; WPS 522 . "October 1990." Includes bibliographical references (p. 25-26). Subjects--Topical Terms: Sugar trade--Government policySugar--Prices. Gov. Doc. Class. No.: UN WB IED WP-522