Lee Hye-gyong, Seo Dong-hun, Lee Cheol-uoo, Hang Eons-su
Hangugiminjeongchaekbaljeonjaedan, 2011
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Hangugbokjiyeonguwon
Hanul books, 2011
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Jeong, Seung Mo
Ewha Women University, 2006
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Kim, Thae-Jun
Bakijeong, 2011
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Seoldae gugmungwa hyeondaemunhak paksagwajeong
Sallimchulphansa, 2005
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