Title: Hyŏndae haengjŏngpŏp ŭi ihae : ko Ch'ŏnggang Yu Chi-t'ae Sŏnsaeng 10-chugi kinyŏm / Ko Yu Chi-t'ae Kyosu 10-chugi Ch'umo Nonmunjip Kanhaeng Wiwŏnhoe.
Authors: Ko Yu Chi-t'ae Kyosu 10-chugi Ch'umo Nonmunjip Kanhaeng Wiwŏnhoe.
Publisher: Pagyŏngsa,
Year: 2018