◾️参考文献・映像
chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.showakan.go.jp/main/wp-content/uploads/2023/01/06_fujisawa.pdf
chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/http://www.nohken.or.jp/NOGYOKENKUYU/No.34-2021/2021-8_moritaakira.pdf
https://www2.nhk.or.jp/school/watch/clip/?das_id=D0005402392_00000
https://www.city.matsudo.chiba.jp/kurashi/heiwa/kako_heiwajigyo/shokujitaiken/senjicyuunoreshipi.html
https://www.youtube.com/watch?v=wpoWmflpDPw&t=301s
https://www.city.chuo.lg.jp/virtualmuseum/heiwazigyo/shiryoshitu/kikakutenjishitsu/h20_sentyusengo/h20.html