Chŏngnyŏn chedo e kwanhan yŏnʼgu
By: [yŏnʼgu tamdangja Yi Chŏng-hun, Yi Chʻang-uk ; pʻyŏnjip kyŏm parhaengin Pak Pʻil-su].
Contributors: Yi, Chŏng-hun.; Yi, Chʻang-uk.; Pak, Pʻil-su, 1932-; Hanʼguk Saengsansŏng Ponbu.
Series: Saengsansŏng kanghwa saŏp yŏnʼgu pogo -- che 21-chip
Publisher: Hanʼguk Saengsansŏng Ponbu
Published: 1987
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 155
Subjects: Retirement -- Korea (South)
Notes: Includes bibliographical references.