Chŏng Yag-yong & Chʻoe Han-gi
Subtitle: sirhak e kil ŭl mutta
By: Im Pu-yŏn chiŭm
Edition: 1-pʻan
Series: Chisigin maŭl -- 18
Publisher: Kimyŏngsa
Published: 2007
Place of publication: Kyŏnggi-do Pʻaju-si
Language: kor
Number of pages: 255
ISBN-13: 9788934921363; 9788934921752
Other titles: Chŏng Yag-yong and Chʻoe Han-gi