Internet Game Addiction and Emotional and Behavioral Characteristics in Upper Grade Elementary School Students and Middle School Students (인터넷 게임 중독에 있어서 초등학생 고학년군과 중학생군 간의 정서 및 행동특성의 차이)
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- Journal of the Korean Academy of Child and Adolescent Psychiatry
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- v.21 no.2
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- pp.87-94
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- 2010