Helleiner, Gerald K. The fiscal role of the marketing boards in Nigerian economic develop ment / Gerald K. Helleiner. - Nigerian Institute of Social and Economic Research, 1964. - v. ; 24 cm. - N.I.S.E.R Reprint Series ; No. 5 . Subjects--Topical Terms: Economic development----Nigeria----Marketing boards ----Nigeria---- Dewey Class. No.: 306.266