Yua rŭl wihan kwahak hwaltong
Subtitle: iron kwa silche
By: Pak Hong-ja chŏ
Edition: Chʻopʻan
Series: Yua kyoyuk chʻongsŏ; Yua kyoyuk chʻongsŏ (Tongmunsa)
Publisher: Tongmunsa
Published: 1993
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 357