Research Center for Peace and Unification, 1979
Buku Teks
Buku Teks
Bulgarelli, Jose Francisco Aguilar
Foreign Languages Publishing House, 1984
Buku Teks
Woo-Keun, Han, author
The Eul-Yoo, 1971
Buku Teks
Lubis, Mochtar, 1922-2004, author
Balai pustaka, 1951
Buku Teks