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) ENGESTROM Y,"Studies of expansive learning : Foundations, findings and future challenges",Educational Research Review,,,2010,5,,1-24,https://cir.nii.ac.jp/crid/1572543025664450176,