Ishikawa, Y, Otaki, A, Okamura, H, Shirahata, T. Measuring the English vocabulary acquisition of Japanese learners. Studies in English Language and Education. 2024. 1. 59-75
Otaki Ayano, Shirahata Tomohiko. The acquisition of “Subject”in to-Infinitive Structures. 静岡大学教育学部研究報告 教科教育学篇. 2016. 47. 45-56
Otaki Ayano, Natsuko Tanaka, Takei Atsushi, Nakamura Michitaro. Bridging Over School and Private Sectors: The Action Research on Intellectual Property Rights. Proceedings of the 10th East Asia International Symposium on Teacher Education, Nagoya, 2015. 2015. 1-10