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Hanguk Haksul Jeongbo, 2007
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Ryu, Dae Hyun
Kyung je sang sik
Sae ro wun je an, 2008
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Lee, Jae Gi
Hyeondae hanguk mooyeokron
Chongmok, 2007
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Hanguk minjok munhwa daebaekgwasajeon, vol.2 ; (Kyeongsi - Gwak Gyeong Ryed)
amhwa Inswae justikhaesa, 1988
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Jeong, Gu Hyeon.
Hangukgicopui geulrobeol gyeongyeong
Wisdom House, 2008
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