National Research Council (1996) From Analysis to Action. National Academy Press, Washington D. C.

Seymour, E. and N. M. Hewitt (1997) Talking About Leaving - Why Undergraduates Leave the Sciences. Westview, Boulder, CO

Smith, B. L. (1991) Taking structure seriously. Liberal Education 77: 41-48

Smith, B. L. (1993) Creating learning communities. Liberal Education. Fall 1993: 32-39

Tobias, S. (1992) Revitalizing Undergraduate Science Education: Why Some Things Work and Most Don't. Jossey-Bass, San Francisco