@book{ BD05412849, author = "関, 正雄 and WILLこども知育研究所", title = "SDGsってなぁに? みらいのためにみんなができること : かんきょう", publisher = "金の星社", year = "2023", series = "やさしくよめるSDGsのえほん", number = "", URL = "https://ci.nii.ac.jp/ncid/BD05412849" }