次の論文がInternational Journal of Informatics Society（IJIS）に掲載されました：
Tomoo Inoue, Kumiko Kawai, Boyu Sun, Kosuke Sasaki, Visual appearance is not always useful: Voice is preferred as a mediating conversational agent to support second language conversation, International Journal of Informatics Society, Vol.12, No.3, pp.177-185, 2021.3.