Title: Pukhan ŭi saenggak Pukhan ŭi saenghwal Pukhan saramdŭl : Pukhan saramdŭl ŭi sam kwa sago pangsik ŭl yŏt poda /
Authors: Yi, Kyŏng-sik.
Publisher: Hanʼguk Haksul Chŏngbo,
Year: 2009
Subjects: Korea (North)