30-tae hoesa inʼgan
By: Yi Hyŏl-lak pʻyŏnjŏ.
Edition: Chʻopʻan
Publisher: Munhak Yesulsa
Published: 1985
Place of publication: [Seoul]
Language: kor
Number of pages: 197
Subjects: White collar workers -- Korea (South)
Other titles: Samsiptae hoesa inʼgan.