Park, Jong-pyeong (August 17, 2015). [박종평의 이순신 이야기-해설 난중일기⑦] 충무공vs무의공 [[Park Jong-pyeong's Nanjung ilgi-⑦] Chungmu Yi Sun-sin vs Muui Yi Sun-sin]. Sunday Seoul (in Korean). Retrieved July 1, 2020.
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(in Korean)Yi Sun-sin at Grand Culture Encyclopedia of Gwangmyeong