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Philadelphia [u.a.]: Lippincott Williams & Wilkins, 2005
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Philadelphia [u.a.]: Lippincott-Raven, 1998
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London: Portland Press, 2002
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Alexandria, Virginia: Association for Supervision and Curriculum Development, 2001
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[S.l.]: SSRN, [2018]
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New York; Oxford: Berghahn Books, [2008]
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Washington, DC, 1920 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1919 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Informa UK Limited, 2018
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Informa UK Limited, 2016
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Hindawi Limited, 2012
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Informa UK Limited, 2011
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Wiley, 2006
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Oxford University Press (OUP), 2002
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Informa UK Limited, 1999
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Oxford University Press (OUP), 1999
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Informa UK Limited, 1996
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Wiley, 1996
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Wiley, 1996
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Elsevier BV, 1988