1. McKenzie JF, Smeltzer JL. Planning, Implementing, and Evaluating Health Promotion Programs. Boston, MA: Allyn and Bacon; 1997.
2. Layzell DT, Caruthers JK. Higher education costs: concepts, measurement issues, data sources and uses. Plann Higher Education. 2002;30:6-14.
3. New Jersey Association of State Colleges and Universities. Examples of Tuition Increases in Other States 2003-2004. Available at: www.njascu.org/tuition_increases.htm
4. Brownstein A. Tuition rises faster than inflation, and faster than in previous year. Chron Higher Education. 2000;47: A50-A53.
5. United States Bureau of the Census. Population projections. Available at: www.census.gov/population/www/projections/popprof.html