تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۱,۶۲ ثانیه یافت شد.

1. Mathematics achievement of children in China and the United States.

پدیدآورنده : Stevenson, HW; Lee, SY; Chen, CS; Lummis, M; Stigler, J; Fan, L; Ge, F

کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)

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