Title: Yŏlchŏn sok naengjŏn, naengjŏn sok yŏlchŏn
Subjects: Psychological warfare, History, World War, 1939-1945, Psychological aspects, Korean War, 1950-1953, Korean War (1950-1953) fast (OCoLC)fst00988609, World War (1939-1945) fast (OCoLC)fst01180924
Places: Asia
Time periods: 20th century