An Appraisal of the Economic Impact of Government Investments in the Farm Settlements and Plantations Schemes in Eastern and Western Nigeria During the First National Development Plan, 1962-1968 https://books.google.com/books/about/An_Appraisal_of_the_Economic_Impact_of_G.html?id=PEmSPgAACAAJCornelius OjimbaNigeriaDevelopmentEconomicsGovernancePolitical ScienceDissertation1975