1. Brookfield S. (1988). Developing critical thinkers: Challenging adults to explore alternative ways of thinking and acting. San Francisco: Jossey-Bass Publishers.
2. Brookfield S. (1995). Becoming a critically reflective teacher. San Francisco: Jossey-Bass Publishers.
3. Cohen J. & Cohen P. (1983). Applied multiple regression /correlation analyses for the behavior sciences (2nd ed.). Hillsdale NJ: Lawrence Eribaum.
4. Conger M. & Mezza I. (1996). Fostering critical thinking in nursing students in the clinical setting. Nurse Educator 21(3) 11-15.
5. Cronenwett L. (1997). Using research data in clinical practice: New questions models and methods. 1997 Kemble Lecture University of North Carolina at Chapel Hill School of Nursing Chapel Hill NC.