韓國農地改良事業三十年史
Subtitle: chʻogo
Publisher: Nongŏp Chinhŭng Kongsa
Published: 1976
Place of publication: Sŏul
Language: kor
Number of pages: 1828
Subjects: Farms; Irrigation; Reclamation of land
Other titles: Hanʾguk nongji kaeryang saŏp samsimnyŏnsa; Hanʾguk nongji kaeryang saŏp 30-yŏnsa.