Title: Tto hana ŭi Pukhan sahoe : sahoe kujo wa sahoe ŭisik ŭi ijungsŏng yŏnʾgu /
Authors: Sŏ, Chae-jin.
Publisher: Nanam Chʻulpʻan,
Year: 1995
Subjects: Social structure Korea (North); Social classes Korea (North); Socialism History; Korea (North) Social conditions.