Departmental Bulletin Paper 中・高校生のスマートフォン・インターネット利用実態に関する調査研究
Investigation and research into the current situation of junior high and high school students' use of smartphones and the Internet.

Toyoda Michitaka,

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http://repository.center.wakayama-u.ac.jp/file/2678/20160303113155/AA1180694002502.pdf

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