Chʻŏrhak ŭi segye kwahak ŭi segye
By: An Chae-gu chiŭm
Edition: Chʻopʻan
Series: Chuksan sinsŏ -- 11
Publisher: Chuksan
Published: 1991
Place of publication: Sŏul-si
Language: kor
Number of pages: 291
Subjects: Science; Philosophy; Social aspects