1. Information power: building partnerships for learning. Final report,1989
2. Can Tinto's student departure model be applied to nontraditional students?;Ashar;Adult Education Quarterly,1993
3. A conceptual model of nontraditional undergraduate student attrition;Bean;Review of Educational Research,1985
4. Borrego, A. M. (2002, July 1). Today's news: education department will emphasize retention issues in next higher education act, official says. The Chronicle of Higher Education. Retrieved July 1, 2002, from The Chronicle of Higher Education Website: http://chronicle.com/daily/2002/07/2002070102n.htm.
5. The convergence between two theories of college persistence;Cabrera;Journal of Higher Education,1992