Unmyŏng ui hangno
Subtitle: changp'yŏn sirhwa
By: chŏja O Kyŏng-hŭi, Sim Ch'ŏl, Kim Chŏng-man
Contributors: Sim, Ch'ŏl, author
Publisher: Kŭllo Tanch'e Ch'ulp'ansa
Published: 2018
Place of publication: [P'yŏngyang]
Language: kor
Number of pages: 303
ISBN-13: 9789946230962
Subjects: Chemists; Biography