1. Anderson SK, Hagen BD, Dulski-Bucholz AL, Whitsel CM, Smith KD, Willeson AM (2019). Leveraging Case Study Research: A Mechanism to Measure Teaching Effectiveness. Mid-Western Educational Researcher 31(1):37-66.
2. Borman KM, Clarke C, Cotner B, Lee R (2006). Cross-case analysis. In J. L. Green G Camilli P. B. Elmore (Eds.), Complementary methods in education research. Mahwah, NJ: Erlbaum. Pp. 123-139.
3. Bronfenbrenner U (1979). The ecology of human development. Cambridge, MA: Harvard University Press.
4. Cochran-Smith M (2003). Teaching quality matters. Journal of Teacher Education (2):95.
5. Creswell J (2002). Educational research: Planning, conducting and evaluating quantitative and qualitative research. Upper Saddle River, NJ.: Merrill Prentice Hall.