21-segi rŭl ikkŭlgo kal Hanʼguk ŭi chʻasedae
By: Yi Kyu-wŏn oe chiŭm
Edition: Chʻopʻan
Publisher: Taewŏn Midiŏ
Published: 1996
Place of publication: Sŏul-si
Language: kor
Number of pages: 368
Other titles: Isip-ilsegi rŭl ikkŭlgo kal Hanʼguk ŭi chʻa sedae; Hanʼguk ŭi chʻasedae