Nongop̆ suri
By: Min Pyŏng-sŏp chŏ
Series: Chʻoesin nongŏp kangjwa -- 26; Chʻoesin nongŏp kangjwa -- 26.
Publisher: Pumin Munhwa Chʻulpʻansa
Published: 1962
Place of publication: Sŏul
Language: kor
Number of pages: 448
Subjects: Irrigation; Drainage