1. Aristotle.Metaphysics, bk. 1, ch. l.; Posterior analytics, bk. 2, ch. 19; Nicomachaen ethics, bk. 4.
2. Beeby, C.E. 1966.The quality of education in developing countries. Cambridge, MA, Harvard University Press.
3. Berliner, D.C. 1984. Making the right changes in preservice teacher education.Phi delta kappan (Bloomington, IN), vol. 66, no. 2, p. 94–96.
4. — 1987. Knowledge is power: a talk to teachers about a revolution in the teaching profession.In: Berliner, D.C.; rosenshine, R.V., eds.Talks to teachers: a festschrift for N.L. Gage. New York, Random House.
5. Education policy series;V. Blackburn,1987