1. Challenges facing PBL tutors: 12 tips for successful group facilitation;Azer;Medical Teacher,2005
2. The Practice of Social Research;Babbie,2004
3. Making sense of problem-based learning: the perceptions and experiences of undergraduate nursing students;Biley;Journal of Advanced Nursing,1999
4. Facilitating Reflective Learning in Higher Education;Brockbank,1998
5. Brookfield, S. 1995. Adult learning: an overview. In: Tuijnman, A. (Ed.), International Encylopedia of Education. Pergamon Press, Oxford. .