거북선농업
Subtitle: tokchʻangjŏk kachʻi ŭi chʻangchʻul
By: [chŏja Chŏng Un-chʻŏn]
Edition: Chʻopʻan.
Publisher: Hanʾguk Sinjisik Nongŏbinhoe
Published: 2004
Place of publication: Sŏul
Language: kor
Number of pages: 262
Subjects: Agriculture; Farmers; Biography
Other titles: Kŏbuksŏn nongŏp