Achʻim i chŭlgŏun kŏnʼgang sumyŏnbŏp
By: Torii Sijŭo ; No Yŏng-min omgim
Edition: Chʻopʻan
Publisher: Koryŏwŏn Midiŏ
Published: 1993
Place of publication: Sŏul
Language: jpn
Number of pages: 222
Subjects: Sleep; Popular works
Work titles: Asa ga ureshii nemurigaku