@article{oai:bunkyo.repo.nii.ac.jp:00005803,
 author = {Griffiths, Stephanie},
 journal = {英米学研究, English and American Studies},
 month = {Jan},
 pages = {24--25},
 title = {THE VALUE OF SPEECH COMPETITIONS IN ENGLISH LANGUAGE LEARNING},
 volume = {12},
 year = {1975}
}