Chumal kyŏngjaengnyŏk ŭl nopʻyŏra
Subtitle: insaeng ŭi 3-pun ŭi 1, chumal kyŏngyŏngpŏp
By: chiŭni Kong Pyŏng-ho.
Edition: Chʻopʻan
Publisher: Haenaem
Published: 2004
Place of publication: Sŏul-si
Language: kor
Number of pages: 194
Subjects: Time management