Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Park Hun Myoung,Does Internet Use Crowd Out Face-To-Face Ties? : Empirical Evidence from the Cumulative General Social Survey Data,Economics & management series,,International University of Japan,2011-10-19,2011,,1-27,https://cir.nii.ac.jp/crid/1574231876787042176,