Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KASUGA Norihiro and SHISHIKURA Manabu,"Changes in the Media Environment, Usage Behavior and User Awareness",甲南経済学論集,04524187,甲南大学経済学会,2024-03-15,64,3・4,53-77,https://cir.nii.ac.jp/crid/1390862776827972736,https://doi.org/10.14990/0002000260