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) ,ER as a Virtual ESL Environment for EFL Learners,Extensive Reading World Congress Proceedings,,,2013,2,,117-128,https://cir.nii.ac.jp/crid/1010282257134832640,