May Oo Khin, Hiroyuki Eto. Integrating learning to argue and arguing to learn instructions: Enhancing English language proficiency and argumentative writing of EFL learners. Journal for Research Scholars and Professionals of English Language Teaching. 2023. 7. 40. 1-14
Thiri Soe, Hiroyuki Eto. Aspects in the Development of Critical Thinking in Asian EFL Higher Education: A Critical Review. International Journal of Linguistics, Literature and Culture. 2022. 9. 4. 1-15
Hiroyuki Eto. Ist es möglich, den Geist von Menschen zu verstehen? Ein problem der Hermeneutik. ヨーロッパ研究. 2022. 16. 49-55
Studienkreis Geschichte der Sprachwissenschaft
, The North American Association for the History of Language Sciences
, The Henry Sweet Society for the History of Linguistic Ideas
, イギリス国学協会