Language shift in the Ryukyu Islands 論文集所収 Mark Anderson ·2019-06-05 ·pp. 370-388 doi:10.4324/9781315213378-24
An Explanatory Comparison of Japanese Secondary English Textbooks and IB English Textbooks 論文集所収 Akihiro Yasuda ·2021-02-16 ·『Advances in educational marketing, administration, and leadership book series』 pp. 1-18 doi:10.4018/978-1-7998-5107-3.ch005