@article{oai:kuis.repo.nii.ac.jp:00000493,
 author = {Wyle, Christopher},
 journal = {言語教育研究},
 month = {Nov},
 note = {P(論文), Article},
 pages = {331--356},
 title = {The declining population and its implications for language education in Japan},
 volume = {20},
 year = {2009}
}