Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAKABE Soichi and YAMAZAKI Hideo,Longitudinal Study of Adverse Effects Associated with Techno-internet Addiction Disorder Tendency and Measures for Preventing a New Type of Depressive Tendency,Papers on Environmental Information Science,03896633,Center for Environmental Information Science,2018,ceis32,0,137-142,https://cir.nii.ac.jp/crid/1390282763075611520,https://doi.org/10.11492/ceispapers.ceis32.0_137