1. Bok, D. (1986). Higher learning. Cambridge, MA: Harvard University Press.
2. Frase, Larry, et al. (1992). Teacher compensation and motivation. Lancaster, PA: Technomic Publishing Company, Inc.
3. Gallant, A.R. (1987). Nonlinear statistical models. New York: John Wiley & Sons.
4. Gallup, G. (1983). The fifteenth annual poll of public attitudes toward public schools. Phi Delta Kappan, 65, 45?46.
5. Haefele, D.L. (1992). Evaluating teachers: An Alternative model. Journal of Personnel Evaluation in Education, 5, 335?345.