1. What Matters in College? Four Critical Years Revisited;Astin,1993
2. The concept of cost-related tuition and its implementation at the University of Minnesota;Berg;Journal of Higher Education,1987
3. Investment in Learning;Bowen,1977
4. A State of Emergency? Higher Education in California;Breneman,1995
5. New Patterns for College Lending: Income Contingent Loans;Johnstone,1972