언제까지나：
Subtitle: yŏngwŏnhan Hanʾguk ŭi si : kʻalla pʻan
By: Yi Tong-ju pʻyŏn
Publisher: Hallim Chʻulpʻansa
Published: 1967
Place of publication: Sŏul
Language: kor
Number of pages: 263
Subjects: Korean poetry
Other titles: Ŏnje kkajina