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Understanding and Interpreting Educational ResearchRonald C. Martella, J. Ron Nelson, Robert L. Morgan, and Nancy E. Marchand-Martella Paperback
April 18, 2013Apr 2013, $103.00 Hardcover
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March 11, 2011Mar 2011, $60.00
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When to Use What Research DesignW. Paul Vogt, Dianne C. Gardner, and Lynne M. Haeffele Paperback
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