共 41 条
[11]
DIXON WJ, 1979, BMDP 79 BIOMEDICAL P
[12]
PRESCHOOL CHILDRENS USE OF OBJECTS IN SYMBOLIC PLAY
[J].
CHILD DEVELOPMENT,
1978, 49 (02)
:500-504
[13]
FISCHER K, 1977, AUG AM PSYCH ASS CON
[14]
Flavell J. H., 1963, DEV PSYCHOL JEAN PIA
[15]
STAGE-RELATED PROPERTIES OF COGNITIVE DEVELOPMENT
[J].
COGNITIVE PSYCHOLOGY,
1971, 2 (04)
:421-453
[16]
LANGUAGE AND SENSORIMOTOR DEVELOPMENT DURING EARLY PERIOD OF REFERENTIAL SPEECH
[J].
JOURNAL OF SPEECH AND HEARING RESEARCH,
1978, 21 (03)
:519-527
[17]
SEMANTIC RELATIONS USED BY NORMAL AND LANGUAGE-IMPAIRED CHILDREN AT STAGE-1
[J].
JOURNAL OF SPEECH AND HEARING RESEARCH,
1976, 19 (04)
:784-795
[18]
INGRAM D, 1977, ACTION GESTURE SYMBO
[19]
INGRAM D, 1975, INT CHILD LANGUAGE S
[20]
KAHN JV, 1975, AM J MENT DEF, V79, P640