Primary commodities : market developments and outlook / by the Commodities Division of the Research Department. - Washington, D.C. : International Monetary Fund, 1988 - vii, 97 p. : ill. ; 28 cm. - World economic and financial surveys . PTSL: May 1988 PTSL: July 1989 Includes bibliographical references ISBN: 1557750157 (pbk.) : Hadiah Subjects--Topical Terms: Commercial productsRaw materials