Challenges facing the korea -U.S.Alliance
 Artikel Jurnal
Overcoming the challenges facing South Korea
 Artikel Jurnal
Studies on Korea: a scholar's guide
edited by Han-Kyo Kim; Hong Kyoo Park
University Press of Hawaii, 1980
 Buku Teks SO
Beyond North Korea : future challenges to South Korea's security
Kim Byung-kwan, Shin Gi-wuk, David Straub, editor
Walter H. Shorenstein Asia-Pacific Research Center ; Baltimore, MD : Brookings Institution [distributor, 2011
 Buku Teks SO
Female and male in Borneo : contributions and challenges to gender studies
edited by Vinson H. Sutlive
Borneo Research Council, [Date of publication not identified]
 Buku Teks SO