Effect of internet use on depression, loneliness, aggression and preference for internet communication: a panel study with 10- to 12-year-old children in Japan 論文 Mieko Takahira・Reiko Ando・Akira Sakamoto ·2008-01-01 ·『International Journal of Web Based Communities』 4(3) pp. 302-302 doi:10.1504/ijwbc.2008.019191