60-tae inmun hakcha, uri nŭn ŏttŏn kil ŭl kŏrŏ watnŭn'gaSe-bong Ha · First published 2021Open the Tome
Kiŏk ŭi chŏngch'i kongganKim, Chŏng-hyŏn (Researcher in history), Kyu-hwan Sin, Se-bong Ha, Chi-hun Kim · First published 2014Open the Tome
Chisik ŭi pʻunggyŏng kwa hŭrŭm ŭl hannun e pʻyŏlchʻin Tong Asia yŏksahak ŭi saengsan kwa yutʻongSe-bong Ha · First published 2001Open the Tome
