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Work cover

What makes a difference ?

  • Ken Davis,
  • Leonard Bickman,
  • National Center for Educational Leadership,
  • Philip Hallinger

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Genres

  • School principals
  • Academic achievement
  • Educational leadership
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About the authors

  • Ken Davis

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    0 ratings · 73 works

  • Leonard Bickman

    1941 - ,

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    1 ratings · 19 works

  • National Center for Educational Leadership

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    0 ratings · 18 works

  • Philip Hallinger

    born 1952

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    0 ratings · 8 works

Editions

  • Edition cover

    Harvard Graduate School of Education, National Center for Educational Leadership

    1990