1. Abo El-Nasuer M.E.M. (1978). Conflicting concepts of critical thinking. (Doctoral dissertation George Peabody College of Teachers). Dissertation Abstracts International 39 48OA.
2. Barnes C.A. (1992). Critical thinking: Educational imperatives. San Francisco: JosseyBass Publishers.
3. Bawens E. & Gerhard G. (1987). The use of the Watson-Glaser Critical Thinking Appraisal to predict success in a baccalaureate nursing program. Journal of Nursing Education 26 278-281.
4. Benner P. (1984). From novice to expert: Excellence and power in clinical nursing practice. Menlo Park CA: Addison-Wesley Publishing Co.
5. Benoliel J.Q. (1987). Response to "Toward holistic inquiry in nursing: A proposal for synthesis of patterns and methods." Scholarly Inquiry for Nursing Practice 1(2) 147-152.