Barrows H.S. & Tamblyn R.M. (1980). Problem-Based Learning: An Approach to Medical Education. New York: Springer Publishing Company.

Boehrer J. & Linsky M. (1990) Teaching with cases: Learning to question. The Changing Face of College Teaching. San Francisco: Jossey-Bass, In.

Brown University, (n.d.). Case Studies. Retrieved April 13, 2017 from

Davis, C., and Wilcock, E. (2003). Teaching materials using case studies. In UK Centre for Materials Education: Working with you to enhance the student experience. Retrieved on April 18, 2017 from

Kaufman, D. M. (1998). Problem-based learning: Using cases to teach about how to deal with ethical problems. In NCEHR, 8(2).

Piaget, J. (1936). Origins of intelligence in the child. London: Routledge & Kegan Paul.

Savin-Baden, M. (2003). Facilitating problem-based learning: The other side of silence. SRHE: Open University Press.

Stanford University Newsletter on Teaching, (1994). Teaching with case studies. In Speaking of Teaching, 5(2), 1-4. Retrieved on April 13 2017 from

Stanley, E., (n.d.). Using Investigative Cases. SERC Pedagogic Service Project. Retrieved on April 18, 2017, from

The BioQuest Library IV, (1996). Planning for case-based learning. Retrieved on April 18, 2017, from