Kim, Taek Il
Population Council, 1972
Buku Teks
Chin Pa
Foreign Languages Press, 1958
Buku Teks
Goodman, Craufurd D., author
Institute of International Education, 1966
Buku Teks
Spengler, Oswald, author
George Allen and Unwin, 1956
Buku Teks
Ronald Van Kempen; Gideon Bolt; Maarten Van Ham, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks