Ch'ŏn'guk esŏ ŭi haru
By: [Kwŏn Tae-ung chium ; Parŭnson kŭrim]
Edition: Ch'op'an
Publisher: Hongik Ch'ulp'ansa
Published: 2005
Place of publication: Sŏul
Language: kor
Number of pages: 175
ISBN-13: 9788970650654
Subjects: Happiness; Contentment
Other titles: Happy virus