Jo, Hyeon-Yong, author
Hau, 2011
Buku Teks
Ko, Sok San, author
Tongchonsa, 2012
Buku Teks
Nam, Yeong-Sin, author
Risu, 2008
Buku Teks
Eom, Min-Yong, author
Dasan Books, 2010
Buku Teks
Lee, Min Woo, author
Thapchul Pansa, [date of publication not identified]
Buku Referensi