Chŏnchʻŏnhu nongŏp kaebal saŏp Kŭmgang chigu kibon chosa pogosŏ
Publisher: Nongnimbu Tʻoji Kaeryang Chohap Yŏnhaphoe
Published: 1967
Place of publication: [Sŏul]
Language: kor
Number of pages: 203
Subjects: Irrigation