Chŏngchʻi Kyŏngjehak sangsik
By: Yi Myŏng-sŏ, Chŏng Tʻae-sik [kongjŏ]
Contributors: Chŏng, Tae-sik
Publisher: Chosŏn Nodongdang Chʻulpʻansa
Published: 1960
Place of publication: Pʻyŏnyang
Language: kor
Subjects: Economics
Notes: Preserved, Deacidified, 2012 Cranberry, PA Preservation Technologies LP