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Sigum Sa Puksu, 2009
Buku Teks
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Buku Teks
editor, Abdul Kadir
Economic Research Center, 1988
Buku Teks
Kim, Jeong Seon, author
Biryongso, 2009
Buku Teks
Park, Chol Kwon, author
Sekola, 2009
Buku Teks