@article{oai:tsukuba.repo.nii.ac.jp:00002885,
 author = {Downes, Simon and Arai, Kunijiro},
 journal = {筑波大学心理学研究, Tsukuba Psychological Research},
 month = {Mar},
 pages = {199--202},
 title = {Is Participation in an English language immersion program detrimental to a student's knowledge of Japanese vocabulary?},
 volume = {24},
 year = {2002}
}