1. Arnold, G.Nigeria. London: Longman, 1977.
2. Verelson, B.Graduate Education in the United States. New York: McGraw-Hill, 1960.
3. Brandis, R. The rehabilitation of university undergraduate teaching.The Educational Record 1964,45 56?63.
4. Caplow, T., and McGee, R. J.The Academic Market Place. New York: Basic Books, 1958.
5. Cohen, R.Labour and Politics in Nigeria. London: Heinemann, 1974.