1. American College of Sports Medicine. ACSM’s Guidelines for Exercise Testing and Prescription. Baltimore, MD: American College of Sports Medicine, 1995.
2. American College of Sports Medicine. ACSM’s Resource Manual for Guidelines for Exercise Testing and Prescription. Philadelphia, PA: American College of Sports Medicine, 1998.
3. The Teaching and Learning Transaction in Higher Education: a study of excellent professors and their students
4. Ashby WA. Questioning critical thinking: funny faces in a familiar mirror. In: Issues of Education at Community Colleges. Princeton, NJ: Princeton Univ. Press, 1996, p. 20.
5. Beckwith D. Creative group problem solving: an innovative computer application to facilitate learning and retention of difficult scientific principles. Collegiate Microcomputer 11: 70–74, 1993.