Kim, Kong Il, author
Foreign Languages Pub. House, 1992
Buku Teks
Kim, Jong Il, author
Foreign Languages Pub. House, 1995
Buku Teks
Kim, Jong Il, author
Foreign Languages Pub. House, 1993
Buku Teks
Kim, Jong Il, author
Foreign Languages Pub. House, 2012
Buku Teks
Foreign Languages Press, 1963
Buku Teks