Kwachʻong 20-yŏnsa.
Publisher: Hanʼguk Kwahak Kisul Tanchʻe Chʻong Yŏnhaphoe
Published: 1987
Place of publication: [Seoul]
Language: kor
Number of pages: 464
Subjects: Hanʼguk Kwahak Kisul Tanchʻe Chʻong Yŏnhaphoe -- History
Other titles: Kwachʻong isimnyŏnsa.