Kwahaksa kaesŏl
By: O Chin-gon chŏ
Edition: Chʻopʻan
Publisher: Usŏng Munhwasa
Published: 1985
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 314
Subjects: Science and civilization
Notes: Bibliography: p. 313-314.