@inproceedings{buildinganenglishvocabularyknowledge,
  title = {Building an English Vocabulary Knowledge Dataset of Japanese English-as-a-Second-Language Learners Using Crowdsourcing},
  author = {Yo Ehara},
  year = {2018},
  booktitle = {LREC 2018 5},
  url = {https://aclanthology.org/L18-1076},
}