共 11 条
[2]
EISSEY EM, 1967, THESIS FLORIDA STATE
[3]
Flanagan JC, 1941, SCHOOL SOC, V54, P59
[5]
JOHNSON BG, 1963, THESIS U HOUSTON
[8]
SHEA JA, 1955, PREDICTIVE VALUE VAR
[9]
SIMPSON HD, 1962, THESIS U GEORGIA
[10]
THACKER JA, 1964, THESIS U N CAROLINA