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New York, NY [u.a.]: Norton, 2014
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New York, NY [u.a.]: Norton, 1994
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[S.l.]: SSRN, 2015
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National Council of Teachers of Mathematics, 1978
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The National Council of Teachers of Mathematics, 1978
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Wiley, 2006
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Springer Science and Business Media LLC, 2001
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National Council of Teachers of Mathematics, 1974
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The National Council of Teachers of Mathematics, 1974
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2002
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Elsevier BV, 1999
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Springer Science and Business Media LLC, 1995
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Elsevier BV, 2005
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Cambridge University Press (CUP), 2004
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Informa UK Limited, 2003
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Informa UK Limited, 1980
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Wiley, 2003
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Wiley, 1988
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JSTOR, 1987
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Informa UK Limited, 1987