NAKAGAWA, Katsushi. 2023a. “Case Study on the Process of the Popularization of Kankyō Ongaku: How Brian Eno’s ambient music has become known in 1980s Japan?.” Tokiwadai Journal of Human Sciences, 9: 75-91. (『常盤台人間文化論叢』9: 80-91) https://t.co/cptWR8rnID