Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "徳永, 賢三",Japan's English Educatin: Present and Future Outlook - a Perspective,The Economic Review of Fukuoka University of Economics,18834280,福岡経済大学経済研究会,2009-03-01,38,2,21-60,https://cir.nii.ac.jp/crid/1050564287995793792,