The state of food and agriculture - Rome : Food and Agriculture Organization of the United Nations (FAO), 1990 - xxii,223p. : ill. ; 30cm. - FAO Agriculture Series; 23 . ISBN: 92-5-102989-X Subjects--Topical Terms: Agriculture, Food production, Economic policy, 1970-1980, Yearbooks LC Class. No.: REF S414.S7 1990