Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAWAI Daisuke,Social Media Paradox : Social Media Reduce Friends Relationship and Psychological Well-being,Socio-Informatics,21872775,The Society of Socio-Informatics,2014,3,1,31-46,https://cir.nii.ac.jp/crid/1390001205772868736,https://doi.org/10.14836/ssi.3.1_31