00452nam a2200169Ia 4500082002400000100002100024245003500045260002600080300001400106500000500120690000600125700000500131952010500136964001700241921000900258999001500267  a337.142096bOk41.AC  aOkigbo, P. N. C.  aAfrica and the common marketb  aLondonbLongmanc1967  axv, 183p.  a  a   a  00104070aISIbISId1998-09-08l0o337.142096 Ok41.ACpDP6452r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a9275  c9275d9275