Chongtja Yi Tae-gun oe
Gyeonggi-do Nanam, 2005
Buku Teks
Kim, Yong-na, author
Yegyong , 2010
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Sol, Bong-sik, author
Jungang daehakkya Choolphaboo,, 2007
Buku Teks
Baek san seo dang, 2005
Buku Teks
Cho, Yun-je, author
Hanul Akademi , 2009
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