SCHOLASTIC EDUCATION. (2004). 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. SCHOLASTIC INS.
Chicagoスタイル(17版)引用形式SCHOLASTIC EDUCATION. 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. USA: SCHOLASTIC INS, 2004.
MLA(9版)引用形式SCHOLASTIC EDUCATION. 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. SCHOLASTIC INS, 2004.
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