@mastersthesis{oai:tsukuba.repo.nii.ac.jp:00054382,
 author = {GUO, ZIXUAN},
 month = {},
 note = {2018},
 school = {筑波大学, University of Tsukuba},
 title = {エージェントによる第二言語会話支援の研究},
 year = {2019}
}