1. Bergquist WH, Philips SR. A Handbook for Faculty Development. Volumes 1, 2, 3. Berkeley, California, Pacific Soundings Press, 1970, 1976, 1978.
2. Lindquist J (ed). Designing Teaching Improvement Programs. Washington DC, The Council for the Advancement of Small Colleges, 1979.
3. Schmidt HG. Problem-based learning: rationale and description. Med Educ 1983;17: 11–16.
4. Schmuck RA, Runkel PJ, Arends JH, Arends RJ. The Second Handbook of Organisation Development in Schools. Palo Alto, May field Publishing Company, 1977.
5. Sharan S, Hare P, Webb CD, Hertz-Lazarowitz R. Cooperation in Education. Provo, Brigham Young University Press, 1980.