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- 주제분류
- 교육학 >교육일반 >기타
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- 등록일자
- 2017.04.25
To help save your voice, use your hand to count down with your fingers until they form a fist. Performed regularly, the students will know that you expect silence by the time you've formed the fist and it will stop you having to shout.
Video Series: Teachers' Trade Secrets
Release Date 2005