A Study on Difficulties Experienced by Pre-service Elementary School Teachers in Carrying out a Research on 'the Life Cycle of a Common Cabbage Butterfly' (초등 예비교사들이 '배추흰나비 한살이' 탐구 수행과정에서 겪는 어려움)
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- Journal of Korean Elementary Science Education
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- v.33 no.2
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- pp.306-321
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- 2014