Chʻungbi simnyŏnsa
By: Chʻungbi Simnyŏnsa Pʻyŏnchʻan Wiwŏnhoe pʻyŏn
Publisher: Chʻungju Piryo Chusik Hoesa
Published: 1966
Place of publication: Sŏul
Language: kor
Number of pages: 582
Subjects: Fertilizers and manures; Chʻungju Piryo Chusik Hoesa (Seoul, Korea)