共 17 条
[1]
BROWNELL WA, 1938, ELEMENTARY SCH J, V38
[2]
BUCKINGHAM BR, 1930, 29TH YB NATIONAL SOC
[3]
CHURCHILL EM, 1958, RES STUDIES, V17
[4]
CURR W, 1941, STUDIES ARITHMETIC, V2
[5]
FLAVELL JS, 1957, ED REV, V10
[6]
FLAVELL JS, 1958, BIRMINGHAM TEACHERS, V9
[7]
INHELDER B, 1953, 1ST P M WHO STUD GRO, P85
[8]
LAWRENCE E, 1955, SOME ASPECTS PIAGETS
[9]
LUNZER EA, 1956, ED REV, V8
[10]
*MATH ASS, 1956, REP TEACH MATH PRIM