24Apr

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2009/04/24 by 조영우
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Views 5804 

영국지구과학교사협회, Earth Science Teachers' Association

24Apr

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2009/04/24 by 조영우
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Views 5956 

호주과학교사협회, Australian Science Teachers Association

24Apr

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2009/04/24 by 조영우
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Views 5968 

영국과학교사협회, The Association for Science Education

24Apr

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2009/04/24 by 조영우
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Views 5975 

캐나다과학교사협의회, Council of Science Educators of Canada

16Jan

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2009/01/16 by 조영우
in 국제
Views 5976 

International Council of Associations for Science Education

24Apr

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2009/04/24 by 조영우
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Views 5987 

미국지구과학교사협회, National Earth Science Teachers Association

24Apr

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2009/04/24 by 조영우
in 국제
Views 6135 

미국과학교사협회, National Science Teachers Association