2Liekona, T. "Eleven Principles of Effective Character Education", Journal of Moral ducation, Vol. 25, No. 1, 1996, P. 93-100.
3Lickona, T. "The Return of Character Education", Educational Leadership, Vol. 51, No. 3, 1993, P. 6-11.
4DeRoche, E. F. , Williams, M. M. Educating Hearts and Minds : a Comprehensive Character Ecucation Framework. Thousand Oaks, Calif: Corwin Press, Inc., 1998.
5McClellan, B. E, Moral Education in America. Teachers College, Columbia University, 1999.
6Leming, J, S. "Reflections on Thirty Years of Moral Education Research ", Moral Education Forum, Vol. 20, No. 3, Fall 1995, P. 1-9.