Mulli sajŏn
By: [Chosŏn Minjujuŭi Inmin Konghwaguk] Kwahagwŏn Mulli Suhak Yŏnʼguso [pʻyŏnchʻan]
Publisher: Kwahagwŏn Chʻŭlpʻansa
Place of publication: Pʻyŏngyang
Language: kor
Subjects: Physics; Dictionaries