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Harcourt, , 2007
Buku Teks
Yessy Meilanie Abast, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Skripsi (Membership)
Byers, Robert A., author
Ashton-Tate, 1982
Buku Teks
Ki, Tae-sung, 1527-1572
Sonamu, 2007
Buku Teks
Kim, Il Sung, author
Foreign Languages Publishing House, 2012
Buku Teks