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)
,Effectiveness of Portfolios Using as an Instructional Tool in EFL e-mail Writing of Elective Subject at a Junior High School,Proceedings of 2006 Annual Conference the Japan Association for Educational Media Study,,,2006,,,62-65,https://cir.nii.ac.jp/crid/1010000781937651587,