1. Barrows, H. S., & Tamblyn, R. (1980). Problem-based learning: An approach to medical education. New York: Springer.
2. Doering, A. (2006). Adventure learning: Transformative hybrid online education. Distance Education, 27(2), 197–215.
3. Naidu, S. (2007). Instructional designs for distance education. In M. G. Moore (Ed.), Handbook of distance education (2nd ed., pp. 247–258). Mahwah: Lawrence Erlbaum.
4. Naidu, S. (2010). Using scenario-based learning to promote situated learning and develop professional knowledge. In E. P. Errington (Ed.), Preparing graduates for the professions using scenario-based learning (pp. 39–49). Brisbane: Post Pressed.
5. Schank, R. (1997). Virtual learning: A revolutionary approach to building a highly skilled workforce. New York: McGraw-Hill.