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) ,Usefulness of spoken EFL learner-based definitions,Proceedings of 4^ Hawaii International Conference on Education ISSN#1541-5880,,,2006,,,6080-6089,https://cir.nii.ac.jp/crid/1010000781803591942,