Chŏngchʻi chʻŏrhak
Subtitle: insik kwa silchʻŏn ŭi tʻongil
By: Yi Su-yun.
Publisher: Pŏmmunsa
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 404