共 32 条
[1]
ABELL A, 1894, EDUC REV, V8, P283
[3]
BLOOMERS P, 1944, J EDUC PSYCHOL, V35, P449
[4]
BOND E, 1938, COLUMBIA U CONTRIBUT, V756
[5]
BOND EA, 1940, COLUMBIA U CONTRIBUT, V813
[6]
CARLSON TR, 1946, THESIS U MINNESOTA
[7]
Eurich AC, 1930, SCHOOL SOC, V32, P404
[8]
FLANAGAN JC, 1939, RES FDN AM ED
[9]
Gates A. I., 1921, J EDUC PSYCHOL, V12, P445, DOI 10.1037/h0064253