Chŏnchʻesŏng ŭihak ŭi sidae
Subtitle: Tong-So ŭihak tʻonghap wŏlli
By: Pak Sŏng-nyŏn chŏ.
Publisher: Sinhŭng Chʻulpʻansa
Published: 1979
Place of publication: Sŏul
Language: kor
Number of pages: 134