1. Baum, S., Ma, J., & Payea, K. (2010). Education pays 2010: The benefits of higher education for individuals and society. New York, NY: College Board Advocacy & Policy Center.
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.382.6425&rep=rep1&type=pdf
.
2. Baum, S., Ma, J., Pender, M., & Libassi, C. J. (2019). Trends in student aid 2019. New York, NY: College Board.
https://research.collegeboard.org/pdf/trends-student-aid-2019-full-report.pdf
.
3. Bloom, D., Hartley, M., & Rosovsky, H. (2006). Beyond private gain: The public benefits of higher education. In P. G. Altbach & J. Forrest (Eds.), International handbook of higher education (pp. 293–308). Dordrecht, Netherlands: Springer.
4. Bowen, W., & McPherson, M. (2016). Lesson plan: An agenda for change in American higher education. Princeton, NJ: Princeton University Press.
5. Carnevale, A. P., Rose, S. J., & Cheah, B. (2011). The college payoff: Education, occupations, lifetime earnings. Washington, DC: The Georgetown University Center on Education and the Workforce. Retrieved from
https://files.eric.ed.gov/fulltext/ED524299.pdf
.