Tanʼgun sŏngjo ŭi sasang kwa kŭ ŭi kachʻigwan
Subtitle: 21-segi ŭi saeroun kachʻigwan
By: Kim Chin-hyŏk chŏ
Edition: Chʻopʻan
Publisher: Inʼgan Sarang
Published: 1991
Place of publication: Puchʻŏn-si
Language: kor
Number of pages: 304
Subjects: Korean Philosophy; Social values