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(Ju) Chang Jak gwa Bi pyeong sa,, 2002
Buku Teks
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Bipyongsa, 2002
Buku Teks
Gyon, O-sam, author
Changjakwabipheongsa, 2000
Buku Teks
Kim, Ku-Hee, author
(Ju) Bi Ryong So, 2002
Buku Teks
Lee, Won-su, author
Bipyeongsa, 1997
Buku Teks