Hyon, Gil-on, author
Chang Jak iwa BT pyeong Sa, 1999
Buku Teks
Hyon, Gil-on, author
Chang Jak iwa BT pyeong Sa, 1998
Buku Teks
Yun, Gyong-ryong, author
Chang Jak iwa BT pyeong Sa, 2000
Buku Teks
Lee, Wan-su, author
(Ju) Chang Jak Gwa Bi Pyong sa, 2002
Buku Teks
Garin, Mihail Robseukki, author
Chang Jak iwa BT pyeong Sa, 1997
Buku Teks