Yŏlchŏng, sunsu kŭrigo saram naemsae
Subtitle: Chŏng Pyŏng-ch'ŏl esei
Publisher: Mal kwa Ch'angjosa
Published: 2004
Place of publication: Kyŏnggi-do P'aju-si
Language: kor
Number of pages: 333
Other titles: Chŏng Pyŏng-ch'ŏl esei