Frangenheim, E. A. (2005). Reflections on classroom thinking strategies: Practical strategies to encourage thinking in your classroom (Ed.6.).
Chicago-tyylinen lähdeviittausFrangenheim, Eric; Author. Reflections on Classroom Thinking Strategies: Practical Strategies to Encourage Thinking in Your Classroom. Ed.6. California, Corwin Press, 2005.
MLA-viiteFrangenheim, Eric; Author. Reflections on Classroom Thinking Strategies: Practical Strategies to Encourage Thinking in Your Classroom. Ed.6. 2005.
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