@article{oai:seisen-u.repo.nii.ac.jp:00000736,
 author = {オカ, ヨシカズ and OKA, Yoshikazu},
 issue = {2},
 journal = {聖泉論叢},
 month = {Oct},
 note = {P(論文)},
 pages = {93--105},
 title = {A Report on the Step English Class : How to Use a CALL Package Effectively},
 year = {1994}
}