1. Antrim, M. T. (1902). Naked truths and veiled allusions. Philadelphia: Henry Altemus Company.
2. Argyris, C., & Schon, D. A. (1974). Theory in practice: Increasing professional effectiveness. San Francisco, CA: Jossey-Bass.
3. Bierema, L. L. (2008). Principles of instructional design and adult learners. In V. Wang (Ed.), Strategic approaches towards curriculum development for adult learners in the global community (pp. 7–33). Malabar, FL: Krieger.
4. Bilimoria, D., & Wheeler, J. V. (1995). Learning-centered education: A guide to resources and implementation. Journal of Management Education, 19(3), 409–428.
5. Brookfield, S. D. (1991). Using critical incidents to explore learners’ assumptions. In J. Mezirow & Associates (Eds.), Fostering critical reflection in adulthood (pp. 177–193). San Francisco: Jossey-Bass.