The Language Research Institute of Seoul National University; written by Lee Sang-oak Lee [and others]
Hollym, 1999
Buku Teks
by Sang-Oak Lee [and others]
[publisher not identified], [date of publication not identified]
Buku Teks
The Language Research Institute of Seoul National University ; written by Lee Sang-oak ... [et al]
Hollym, 1998
Buku Teks
Korea Foundation
Cookand/Besthome, 2003
Buku Teks
Korea : G C
Majalah, Jurnal, Buletin