共 9 条
[1]
ADAMS WH, 1933, TEXAS OUTLOOK, V17, P30
[2]
BAILARD V, 1952, CLEARING HOUSE, V26, P496
[3]
BUELL CE, 1949, ED ADMIN SUPERVISION, V35, P242
[4]
DUFFY KE, 1950, NEW YORK ST ED, V37, P671
[5]
JENSEN AE, 1945, WISCONSIN J ED, V78, P79
[6]
JENSEN AE, 1951, AM TEACHER, V35, P12
[7]
MCCRACKEN TC, 1923, OCCUPATIONAL INFORM
[8]
TORRANCE P, 1949, CHILDHOOD ED, V25, P413
[9]
WOODHOUSE C, 1935, NAT ELEM SCH PRINCIP, V15, P83