The Differences in Smartphone Addiction Symptoms between Highly Addicted and Non-addicted among Middle School Students by Types of Risk Groups (청소년의 스마트폰 중독 위험군과 비중독군의 스마트폰 중독 관련 요인)
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- Journal of the Korean Society of School Health
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- v.33 no.2
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- pp.67-78
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- 2020