Sikpʻum sugŭp pʻyo, 1962-1966
Publisher: Nongnimbu, Kukche Yŏnhap Singnyang Nongŏp Kiku Hanʼguk Hyŏhoe
Published: 1967
Place of publication: [Sŏul]
Language: kor
Number of pages: 26
Subjects: Grain