Ŭnt'oe hu 30-yŏn ŭl chunbi hara
By: O Chong-nam chiŭm
Edition: Ch'op'an
Series: Samsŏng T'usin t'uja esei -- 04
Publisher: Samsŏng Kyŏngje Yŏn'guso
Published: 2009
Place of publication: Sŏul-si
Language: kor
Number of pages: 142
ISBN-13: 9788976334121; 9788976333636
Subjects: Happiness in old age; Planning; Retirement; Life skills guides; Older people
Other titles: Ŭnt'oe hu samsimnyŏn ŭl chunbi hara