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21Published 1999“...National Council of Teachers of English,...”
Book -
22
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23
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24Published 1989“...National Council of Teachers of Mathematics,...”
Book -
25Published 1989“...National Council of Teachers of English,...”
Book -
26Published 1998“...National Council of Teachers of English,...”
Book -
27Published 1999“...National Council of Teachers of English,...”
Book -
28Published 1986“...National Council for the Social Studies,...”
Book -
29
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30
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31Published 2010“...National Council of Teachers of Mathematics,...”
Book -
32Published 1975“...National Council of Teachers of Mathematics,...”
Book -
33
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34
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35
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36by Russell, David Harris, 1906-1965“...Australian Council for Educational Research,...”
Published 1981
Book -
37Published 2009“...National Council of Teachers of Mathematics,...”
Table of contents only
Software Book -
38Published 2004“...New Zealand Council for Educational Research,...”
Book -
39
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40