干拓事業의改善을為한調查報告書
Publisher: Haengjŏng Kaehyŏk Chosa Wiwŏnhoe
Published: 1965
Place of publication: Sŏul
Language: kor
Number of pages: 56
Subjects: Reclamation of land
Other titles: Kanchʻŏk saŏp ŭi kaesŏn ŭl wihan chosa pogosŏ
Notes: Cover title.