Okurume, Godwin E. Foreign trade and the subsistence sector in nigeria : the impact of agricultural exports on domestic food supplies in a peasant economy / Godwin E. Okurume - New York : Praeger, 1973 - xii, 136 p. ; 24 cm. LCCN: 72-092462 Subjects--Topical Terms: Agriculture--Economic aspects--NigeriaCocoa trade--NigeriaFood supply--Nigeria