Yeok samunje yeon gu so
Ung Jin SSingkenbik, 2006
Buku Teks
Cha, Yong-gol, 1935-, author
Ninbit, 2002
Buku Referensi
Choi, Chang-jo, author
Minumsa, 2008
Buku Referensi
Lee, Yon-gwan, author
Sangsang Chulpan, 2011
Buku Teks
Konsol Kyotongbu, 2007
Buku Referensi