著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Augusto Valeriani and Cristian Vaccari,"Accidental exposure to politics on social media as online participation equalizer in Germany, Italy, and the United Kingdom",New Media & Society,1461-4448,SAGE Publications,2016-07-09,18,9,1857-1874,https://cir.nii.ac.jp/crid/1360011144975193984,https://doi.org/10.1177/1461444815616223