Bean, J.P. (1980). Dropouts and turnover: The synthesis and test of a causal model of student attrition. Research in Higher Education, 12(2), 155-187.
Bean, J.P. (1985). Interaction effects based on class level in an explanatory model of college student dropout syndrome. American Educational Research Journal, 22(1), 35-64.
Crosling, G., & Heagney, M. (2009). Improving Student Retention in Higher Education. Improving Teaching and Learning, 9-18.
Fleming, J. (2012). Enhancing Minority Student Retention and Academic Performance: What We Can Learn From Program Evolutions. New York: John Wiley and Sons.