Chuchʻe ŭi ŏnŏ iron yŏnʼgu
By: [chŏja Kim Chŏng-hwi, Chŏng Sun-gi].
Contributors: Chŏng, Sun-gi.
Publisher: Kwahak, Paekkwa Sajŏn Chʻulpʻansa
Published: 1982
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 290
Subjects: Language policy -- Korea (North)