1. Ablard, K. E. (1997). Self-perceptions and needs as a function of type of academic ability and gender. Roeper Review, 20, 110–115.
2. Barrows, H. S. (1988). The tutorial process. Springfield, IL: Southern Illinois University School of Medicine.
3. Birch, W. (1986). Towards a model for problem-based learning. Studies in Higher Education, 11, 73–82.
4. Brandwein, P. (1986). A portrait of gifted young with science talent. Roeper Review, 8(4), 235–243.
5. Bransford, J. (2000). How people learn: Brain, mind, experience, and school. Washington, DC: National Academy Press.