共 52 条
[1]
ASTIN AW, 1980, CHRONICLE HIGHER ED, V19, P4
[2]
ASTIN AW, 1982, CHRONICLE HIGHER ED, V21, P11
[3]
ASTIN AW, 1987, AM FRESHMAN 20 YEAR
[4]
ASTIN AW, 1986, AM FRESHMAN NATIONAL
[5]
ASTIN AW, 1982, AM FRESHMAN NATIONAL
[6]
BACHMAN JG, 1971, YOUTH LOOKS NATIONAL
[7]
Bachman JG, 1981, MONITORING FUTURE QU
[8]
BACHMAN JG, 1980, 4 U MICH I SOC RES O
[9]
BACHMAN JG, 1987, MONITORING FUTURE QU
[10]
BARRON J, 1987, NY TIMES 0712, P5