Hanʼguk ŭi sahoe pojang yŏnʼgŭm chedo ŭi tʻadangsŏng yŏnʼgu
Series: Its Yŏnʼgu charyo -- 23
Publisher: Sŏgang Taehakkyo Kyŏngje, Kyŏngyŏng Munje Yŏnʼguso
Published: 1971
Place of publication: Sŏul
Language: kor
Number of pages: 87
Subjects: Social Insurance