1. Ackoff, R. L. (1994), The democratic corporation: A radical prescription for recreating corporate America and rediscovering success. New York: Oxford University Press.
2. Agency for Health Care Policy and Research. (1995). Conference summary: Consumer survey information in a reforming health care system (AHCPR Publication No. 95-0083). Rockville, MD: US Department of Health and Human Services.
3. Arnold, L. E., Hoagwood, K., Jensen, P. S., & Vitiello, B. (1997). Towards clinically relevant trials. Psychopharmacology Bulletin, 33(1), 135–142.
4. Behar, L. B. (1997). The Fort Bragg Evaluation: A snapshot in time. American Psychologist, 52(5), 557–559.
5. Bickman, L. (Ed.). (1987). Using program theory in evaluation: Vol. 33. New directions for program evaluation. San Francisco: Jossey-Bass.