Jeon Na-Yeong, Im Ji-Suk, Jeon Ji-in, Kang Eun-Jeong
Yonsei Dehakgyo Chulphanbu, 2011
Buku Teks
Lee, Haiyoung, author
Hollym, 2006
Buku Teks
Stephen, Revare.
Nexus, 2010
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Ahn, Jean-myung, author
Darakwan, 2010
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Revere, Stephen
Traveler's Korean, 2007
Buku Teks