Imi sijak toen chŏnjaeng : Pukhan ŭn wae chŏnjaeng ŭl irŭk'il su pak e ŏmnŭn'ga /

by Yi, Ch'ŏl, 1960-
Sŏul-si : page2, 2023
Ch'op'an.

China and North Korea : from comrades-in-arms to allies at arm's length /

by Scobell, Andrew
Carlisle, PA] : Strategic Studies Institute, U.S. Army War College, 2004