Participatory goverment bringing the South and North closer = cham yojong bu, nam gwak bugi hanaro
The National Unification Advisory Cuncil
The National Unification Advisory Council, 2006
 Buku Teks
South-North dialogue in Korea
International Cultural Society of Korea , 1988
 Buku Teks
South-North dialogue in Korea
International Cultural Society of Korea, 1983
 Buku Teks
Ko, Un, 1933-
Abiding Places : Korea South & North
South Korea, 2006
 Buku Teks
A Comparative study of south and North Korea
National Unification Board, 1988
 Buku Teks