1. Problem-based learning
2. Bereiter, C. (2002). Education and mind in the knowledge age. Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
3. Blumberg, P. (2000). Evaluating the evidence that problem-based learners are self-directed learners: A review of the literature. In D. Evensen & C. Hmelo (Eds.), Problem-based learning : A research perspective on learning interactions (pp. 199-226). Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
4. Effectiveness of Problem-based Learning Curricula
5. Evensen, D. & Hmelo, C. (Eds.). (2000). Problem-based learning: A research perspective on learning interactions. Mahwah, NJ: Lawrence Erlbaum Associates, Inc.