@article{oai:air.repo.nii.ac.jp:00000449,
 author = {Watanabe, Yoshinori and 渡部, 良典},
 journal = {秋田大学教養基礎 教育研究年報},
 month = {Mar},
 pages = {19--28},
 title = {Does English Ability Really Matter ? : Validating the Final Grades of University EFL Courses},
 volume = {6},
 year = {2004}
}