National Education Association of the United States. Department of Supervision and Curriculum Development. Educational leadership. Association for Supervision and Curriculum Development.
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Cita Chicago Style (17a ed.)
National Education Association of the United States. Department of Supervision and Curriculum Development. Educational Leadership. Alexandria, VA: Association for Supervision and Curriculum Development.
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Cita MLA (9a ed.)
National Education Association of the United States. Department of Supervision and Curriculum Development. Educational Leadership. Association for Supervision and Curriculum Development.
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