ISSN 0439-755X
CN 11-1911/B
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A STUDY OF THE INDIVIDUAL CASE OF A CHILD IN MASTERING NUMBER CONCEPT——A FOLLOW-UP STUDY OF A CHILD AT THE AGE OF 3—4 YEARS OLD(Ⅰ)
Xu Zhi-quan,Song Bao-ling(Zheng Zhou University)
Acta Psychologica Sinica . 1981, (
02
): 36 -44 .