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1
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2“...National council of teachers of mathematics...”
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3“...The National Council of Teachers of Mathematics...”
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4“...National Council of Teachers of English...”
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5Published 1970“...National council of teachers of mathematics...”
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6Published 1970“...National Council of Teachers Mathematics...”
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7Published 1989“...The National Council of Teachers of Mathematics...”
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8by NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS“...National Council of Teachers of Mathematics...”
Published 1963
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9
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10by NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS“...National Council of Teachers of Mathematics...”
Published
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11by NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS“...National Council of Teachers of Mathematics...”
Published 1963
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12by NATIONAL COUNCIL OF TEACHERS OF MATHEMATICS“...National Council of Teachers of Mathematics...”
Published
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13by Begle, E.G.“...Mathematical Association of America and National Council of Teachers mathematic...”
Published 1979