Korea Language Plus, 2010
Buku Teks
Hyŏngsŏl Ch?ulp?ansa, 2010
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Kwon kyong-gun
Dosco Unulphan bak-i-jeong, 2009
Buku Teks
Chon, So-yong
Hanguk Munhwasa, 2007
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Lee, Sang-oak
[Publisher not identified], [Date of publication not identified]
Buku Teks