Chŏ najŭn kyŏngjehak ŭl wihayŏ
By: Chŏng Un-yŏng
Edition: Chʻopʻan
Series: Kkachʻi kŭlpang -- 59
Publisher: Kkachʻi
Published: 1990
Place of publication: Sŏul-si
Language: kor
Number of pages: 378