Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MOHRI Yasuhide,A Comparative Study of Use Mobile Phones and Smartphones Among the the High School Students,The Society of Socio-Informatics Annual Conference Proceedings,2759-6192,The Society of Socio-Informatics,2013,2013,0,107-112,https://cir.nii.ac.jp/crid/1390304560094255616,https://doi.org/10.14836/ssiproceedings.2013.0_107