1. Lessons from selected programs and policy areas (No. 37, Spring, 1988), New Directions for Program Evaluation, a publication of the American Evaluation Association, San Francisco: Jossey-Bass.
2. Evaluation and program planning (Vol. 10, No. 1, 1987). New York: Pergamon Press.
3. Scriven, M. (1973). The methodology of evaluation. In B. R. Worthen & J. R. Sanders (Eds.), Educational evaluation: Theory and practice. (pp. 68–75) Belmont, CA: Wadsworth.
4. Tyler, R. W. (1942). General statement on evaluation. Journal of Educational Research, 35, 492–501.
5. Stufflebeam, D. L. (1983). The CIPP Model for program evaluation. In G. F. Madaus, M. Scriven, & D. L. Stufflebeam (Eds.), Evaluation viewpoints on educational and human services evaluation, (pp. 120–131) Boston: Kluwer-Nijoff.