共 58 条
[1]
Adelman C., 1999, Answers in the tool box: Academic intensity, attendance patterns, and bachelor's degree attainment
[3]
AINSWORTHDARNEL.JW, 1998, AM SOCIOL REV, V63, P554
[4]
Allison P., 2001, SAGE U PAPER SERIES, P07
[5]
[Anonymous], 2002323 NCES US DEP
[6]
[Anonymous], SAGE U PAPERS SERIES
[7]
[Anonymous], 2005, KEEPIN REAL SCH SUCC