Title: Taejeguk Koryŏ ŭi chŭnggŏ
Subtitle: tongbuk kongjŏng e taehan yŏksajŏk pallon
First published: 2008
Subjects: History, Errors, inventions
Places: Korea
Time periods: Koryŏ period, 935-1392
LC classification: DS912.25 .Y55 2008