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) LESTER J.,The Persona Effect : Affective Impact of Animated Pedagogical Agents,"Proc. CHI-97, Atlanta, Georgia",,,1997,,,,https://cir.nii.ac.jp/crid/1571417125320130944,