Baban, C. The export performance of sub-Saharan Africa, 1970-90 : a survey / C. Baban & Joshua E. Greene - Washington : International Monetary Fund (IMF) , 1992 - 45p. : ill. ; 30 cm. - IMF Working paper No. 92/55 . Includes bibliographical references. Subjects--Topical Terms: Exports--Africa Gov. Doc. Class. No.: UN IMF WP-92-55