Eric Frangenheim. Reflections on Classroom Thinking Strategies: Practical Strategies to Encourage Thinking in your Classroom (Sixth Edition). SAGE.
Čikaški stil citiranja (17. izdanje)Eric Frangenheim. Reflections on Classroom Thinking Strategies: Practical Strategies to Encourage Thinking in Your Classroom (Sixth Edition). SAGE.
MLA način citiranja (8. izdanje)Eric Frangenheim. Reflections on Classroom Thinking Strategies: Practical Strategies to Encourage Thinking in Your Classroom (Sixth Edition). SAGE.
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