1. Answers in the tool box: Academic intensity, attendance patterns, and bachelor's degree attainment;Adelman,1999
2. Moving into town and moving one. The community college in the lives of traditional-age students;Adelman,2005
3. Replicating the toolbox hypotheses: Path the degree completion from high school through college;Adelman,2006
4. What matters in college: Four critical years revisited;Astin,1993
5. Degree attainment rates at American colleges and universities: Effects of race, gender, and institutional type;Astin,1996