(2005). How to spiral questions to provoke student thinking produced by ASCD. [videorecording].
Čikaški stil citiranja (17. izdanje)How to Spiral Questions to Provoke Student Thinking Produced by ASCD. [videorecording]. 2005.
MLA način citiranja (9. izdanje)How to Spiral Questions to Provoke Student Thinking Produced by ASCD. [videorecording]. 2005.
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