Chŏnja konghak immun
Subtitle: iron mit munje haesŏl chʻongjŏngni : tʻongsin kongsa kisulchik kongmuwŏn sihŏm mit ilban kiŏpchʻe
By: Kukka Kisul Chagyŏk Kŏmjŏng Sihŏm Yŏnʼguhoe pʻyŏn
Publisher: Hangmundang
Published: 1993
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 586