Segi mal ŭi chilchu
Subtitle: Chŏng Un-yŏng kyosu ka chʻŏnnyŏndae ŭi chŏnhwanʼgi e tŏnjinŭn hwadu
Edition: Chʻopʻan
Publisher: Haenaem
Published: 1999
Place of publication: Sŏul-si
Language: kor
Number of pages: 356
Subjects: Social values; Economic conditions; Social conditions