1. Rivera VR, Kutash K:Components of a System of Care: What Does the Research Say? Tampa: University of South Florida, Florida Mental Health Institute, Research and Training, Center for Children’s Mental Health, 1994.
2. Bickman L: Improving established statewide programs: A component theory of evaluation.Evaluation Review 1985; 9:189–208.
3. Bickman L (Ed.):Using Program Theory in Evaluation. San Francisco: Jossey-Bass, 1987.
4. Bickman L (Ed.):Advances in Program Theory. San Francisco: Jossey-Bass, 1990.
5. Chen H:Theory-Driven Evaluations. Newbury Park, CA: Sage, 1990.