@article{oai:kunion.repo.nii.ac.jp:00000757,
 author = {日下, 正一 and Kusaka, Shoichi},
 journal = {研究紀要, Kunitachi College of Music journal},
 month = {Mar},
 note = {7, KJ00000318394},
 pages = {129--134},
 title = {外国語習得の問題点},
 volume = {22},
 year = {1988},
 yomi = {クサカ, ショウイチ}
}