@article{oai:air.repo.nii.ac.jp:00004994,
 author = {WAKAARI, Yasuhiko},
 issue = {55},
 journal = {秋田英語英文学},
 month = {Mar},
 pages = {34--44},
 title = {The Input and Output of Activity Exercises in Senior High School English Textbooks},
 year = {2014}
}