著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Davies, Chris and Eynon, Rebecca",Envisioning the field: the foundations of educational technology theory and practice,,Routledge,2016,Major themes in education,,9780415721493,,https://cir.nii.ac.jp/crid/1130282270398498688