Berry Sara S Cocoa custom and socioeconomic change in rural Western nigeria Berry Sara S - Oxford Clarendon Press 1975 - xii, 240p. Bib p. 225-33,Appendix p. 211-24 cm. - Oxford studies in African affairs . ISBN: 0 19 821697 1 Source: General Book Subjects--Topical Terms: Agriculture Industry-- Coffee Dewey Class. No.: X9(J482).654.N7, L5/TD3