1. “CAPA, An Integrated Computer Assisted Personalized Assignment System,”;Kashy;American Journal of Physics,1993
2. See also http:www.pa.msu.edueducCAPA
3. “Computer-Assisted Assignments in a Large Physics Class,”;Thoennessen;Computers and Education,1996
4. FirstClass TM is a commercial product of SoftArc, Inc, Markham, Ontario, Canada L3R 6H3
5. Cheatham , M. “Study of Undergraduate Retention At Michigan State University,” Report of the Institute for Public Policy and Social Research, Michigan State University December 1994