1. ACCU. (2020). 2020 nendo unesucosukulu nenji katudou tyousa kekka [The result of a survey of activities at UNESCO’s Associated Schools in 2020]. https://www.unesco-school.mext.go.jp/wp-content/uploads/2021/09/2020%E5%B9%B4%E5%BA%A6%E3%83%A6%E3%83%8D%E3%82%B9%E3%82%B3%E3%82%B9%E3%82%AF%E3%83%BC%E3%83%AB%E5%B9%B4%E6%AC%A1%E6%B4%BB%E5%8B%95%E8%AA%BF%E6%9F%BB%EF%BC%88%E7%B5%90%E6%9E%9C-%EF%BC%89.pdf
2. ACCU. (n.d.a). UNESCO sukulu [UNESCO’s Associated Schools]. https://www.unesco-school.mext.go.jp/
3. ACCU. (n.d.b). UNESCO sukulu ni tsuite [About UNESCO’s Associated Schools]. https://www.unesco-school.mext.go.jp/about-unesco-school/aspnet/
4. ACCU. (n.d.c). UNESCO sukulu shien [UNESCO’s Associated School support]. https://www.accu.or.jp/programme/project/unesco_aspnet/
5. ACCU. (n.d.d). Watashitachi ni tsuite [About us]. https://www.unesco-school.mext.go.jp/aboutus/