https://www.ihi.co.jp/en/all_news/2021/infrastructure_offshore/1197514_3362.html

https://www.jica.go.jp/english/overseas/turkey/information/topics/2020/201013.html

https://www.britannica.com/technology/bridge-engineering

https://www.ihi.co.jp/iis/products/bridge/index.html#:~:text=%E8%BF%91%E5%B9%B4%E3%81%AF%E3%80%81%E7%80%AC%E6%88%B8%E5%A4%A7%E6%A9%8B%E3%82%84,%E3%82%92%E6%9C%89%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%E3%80%82

Fenerli1978

https://upload.wikimedia.org/wikipedia/commons/9/9b/Izmit_Bay_Bridge%2C_June_2015_-_1.jpg

Vapurcu

https://commons.wikimedia.org/wiki/File:Osmangazi_K%C3%B6pr%C3%BCs%C3%BC_-_Osmangazi_Bridge.jpg

Kadı Kadı

https://en.wikipedia.org/wiki/Osman_Gazi_Bridge#/media/File:Osmangazi_K%C3%B6pr%C3%BCs%C3%BC_(15072023).jpg

Kanchi1979

https://upload.wikimedia.org/wikipedia/commons/2/28/JP-Kagawa-Great-Seto-Bridge-Minami_Bisan-Seto-Bridge.jpg