68 undong
By: Yi Sŏng-jae chiŭm
Edition: Ch'op'an
Series: Vita activa kaenyŏmsa -- 12
Publisher: Ch'aek Sesang
Published: 2009
Place of publication: Sŏul T'ŭkpyŏlsi
Language: kor
Number of pages: 151
ISBN-13: 9788970137001; 9788970137292