@article{oai:air.repo.nii.ac.jp:00004972,
 author = {Wakaari, Yasuhiko},
 issue = {52},
 journal = {秋田英語英文学},
 month = {Nov},
 pages = {44--54},
 title = {A study on materials use: what type of teaching materials are used in senior high school English classes in Japan?},
 year = {2010}
}