ISSN 0439-755X
CN 11-1911/B
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AN INDIVIDUAL CASE STUDY OF A CHILD MASTERING NUMBER CONCEPT——Ⅱ. A FOLLOW-UP STUDY OF A CHILD AT THE AGE OF 4-5 YEARS
Xu Zhi-quan,Song Bao-ling Zheng Zhou University
Acta Psychologica Sinica . 1982, (
01
): 59 -72 .
