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2حسب McHale, Brian“...Introduction: The Obligation toward the Difficult Whole --...”
منشور في 2004
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8منشور في 2007“...Positive Methods for Dealing With Difficult Behavior /...”
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11حسب Labaree, David F., 1947-“...On the nature of teaching and teacher education : difficult practices that look easy --...”
منشور في 2007
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12حسب Kitchen, Bob., 1956-“...Stay Sharp! One of the Most Difficult Times Is Right before Spring Break --...”
منشور في 2003
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13منشور في 2008“...Traveling Together over Difficult Ground: Negotiating Success with a Profoundly Inexperienced Reader in an Introduction to Chemistry Class /...”
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