@inproceedings{kotani-yoshimi-2015-design,
    title = "Design of a Learner Corpus for Listening and Speaking Performance",
    author = "Kotani, Katsunori  and
      Yoshimi, Takehiko",
    editor = "Zhao, Hai",
    booktitle = "Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation",
    month = oct,
    year = "2015",
    address = "Shanghai, China",
    url = "https://aclanthology.org/Y15-1040/",
    pages = "351--358"
}