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AUTHOR_KR:윤하 이 3 result(s) found
 
1. Knowledge State Analysis of Ionic Equation for Middle School Students

회정 윤;윤하 이;영신 김;
Journal of the Korean Chemical Society, vol. 59, iss. 6, 2015, pp. 499-507
 
2. Analysis of Coherence in Middle School Students' Representation of Particulate Concepts

회정 윤;윤하 이;
Journal of the Korean Chemical Society, vol. 58, iss. 6, 2014, pp. 580-589
 
3. The Development of a Learning Program for Enhancing the Skills of Control Variables and the Effects of Its Applications

윤하 이;순희 강;
Journal of the Korean Chemical Society, vol. 55, iss. 3, 2011, pp. 519-528
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