1. Problem-based learning;Albanes;Academic Medicine,1993
2. M. Albanes, Problem-based learning: why curricula are likely to show little effect on knowledge and clinical skills, Uinted States, 2000.
3. D.N Aspy, P.M Quimby, What doctors can teach teachers about problem-based learning, Educational Leadership, 50 (7), 22–24.
4. OECD. Qualifications Systems: Bridges to Lifelong Learning, 2007. ISBN 978-92-64- 0137-4, 237.
5. OECD Promoting Adult Learning, 2005, ISBN 978-92-64-01092-5.