Sŏnggong ŭi myoyak!, usŭm enŭn mwŏnʼga tʻŭkpyŏrhan kŏt i itta!
By: Yi Sang-hŏn chiŭm.
Edition: 1-pʻan
Publisher: Hanbi Midiŏ
Published: 2006
Place of publication: Sŏul
Language: kor
Number of pages: 263
Subjects: Laughter -- Psychological aspects; Wit and humor -- Psychological aspects; Stress management; Success
Other titles: Usŭm enŭn mwŏnʼga tʻŭkpyŏrhan kŏt i itta!