Editing Turtle ship (section)

==Sources==
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*Korean Spirit and Culture Promotion Project: "Admiral Yi Sun-sin. A Brief Overview of his Life and Achievements" KSCPP, Korean Spirit and Culture I, {{ISBN|0-9779613-1-1}}
*{{Citation|last=Hawley|first=Samuel| title=The Imjin War. Japan's Sixteenth-Century Invasion of Korea and Attempt to Conquer China|publisher=The Royal Asiatic Society, Korea Branch|location=Seoul, South Korea |year=2005|isbn=89-954424-2-5|url=https://archive.org/details/imjin-war}}
*{{Citation|last=Holz|first=Heidi|title=Complementary Keys to Naval Victory|work=Naval History Magazine|volume=23|number=4|publication-date=August 2009|url=https://www.usni.org/magazines/naval-history-magazine/2009/august/complementary-keys-naval-victory}}
*{{Citation|last=Needham|first=Joseph|year=1971|title=Science, and civilization in China: Vol. 4, Physics and physical technology. Pt. 3, Civil engineering and nautics.|publisher=Cambridge University Press|isbn=978-0-521-07060-7}}
*{{Citation|last=Nolan|first=Cathal J.|publication-date=2006|title=The age of wars of religion, 1000-1650: an encyclopedia of global warfare and civilization|publisher=Greenwood Publishing Group|isbn=978-0-313-33734-5|url=https://archive.org/details/ageofwarsofrelig0000nola}}
*{{Citation|last=Swope|first=Kenneth M|title=Crouching Tigers, Secret Weapons: Military Technology Employed During the Sino-Japanese-Korean War, 1592–1598|journal=The Journal of Military History|volume=69|issue=1 |publication-date=January 2005|pages=11–42|doi=10.1353/jmh.2005.0059 |s2cid=159829515 |url=https://muse.jhu.edu/article/177162/summary|url-access=subscription}}
*{{Citation|last=Turnbull|first=Stephen|title=Samurai Invasion. Japan's Korean War 1592-98|location=London|publication-date=2002|publisher=Cassell & Co|isbn=0-304-35948-3|url=https://books.google.com/books?id=ABJ-QgAACAAJ}}
* {{Citation|first=Stephen|last=Turnbull|year=2003|title=Fighting ships of the Far East: Japan and Korea AD 612-1639|publisher=Osprey Publishing|pages=38–41|isbn=978-1-84176-478-8|url=https://archive.org/details/osprey-new-vanguard-063-fighting-ships-of-the-far-.}}
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