Okigbo, P. N. C. 1924-2000. National development planning in Nigeria, 1900-1992 / P.N.C. Okigbo. - London : Portsmouth, N.H : Enugu [Nigeria] : J. Curry ; Heinemann ; Fourth Dimension, 1989. - ix, 229 p. ; 24 cm. Includes bibliographical references (p. 219-224) and index. ISBN: 0852551053 (J. Curry) 0435080393 (Heinemann) LCCN: 90107696 Subjects--Topical Terms: Central planning--Nigeria. Subjects--Geographic Terms: Nigeria--Economic policy. LC Class. No.: HC1055 / .O384 1989 Dewey Class. No.: 338.9669 / OKI