National Council of Teachers of Mathematics. (1994). Teaching children mathematics. National Council of Teachers of Mathematics.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Council of Teachers of Mathematics. Teaching Children Mathematics. Reston, VA: National Council of Teachers of Mathematics, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Council of Teachers of Mathematics. Teaching Children Mathematics. National Council of Teachers of Mathematics, 1994.
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