항상최고가되는연습을하라
By: Yi Tʻaek-hŭi chiŭm
Edition: 1-pʻan.
Publisher: Onŭl ŭi Chʻaek
Published: 2002
Place of publication: Sŏul-si
Language: kor
Number of pages: 239
Other titles: Hangsang chʻoego ka toenŭn yŏnsŭp ŭl hara