A decreasing number of girls' high schools in Hokkaido: 26 private schools at their peak to 6 July 04, 2022 メディア掲載 A decreasing number of girls' high schools in Hokkaido: 26 private schools at their peak to 6 July 04, 2022 Hokkaido Shimbun, July, 04, 2022 Style インタビュー Overview p.15 Hokkaido Shimbun Press