1. Problem-based learning in medicine: a practical guide for students and teachers.;David,1999
2. Problem-based learning applied to medical education;Barrows,2000
3. Becoming a student in a PBL course: twelve tips for successful group discussion;Azer;Med Teach,2004
4. Challenges facing PBL tutors: 12 tips for successful group facilitation;Azer;Med Teach,2005
5. Roles of student-generated learning issues in problem-based learning;Blumberg;Teach Learn Med,1990