The Foreign relations of North KoreaByung Chul Koh, Tae-Hwan Kwak, Jae Kyu Park · First published 1987Open the Tome
The foreign policy systems of North and South KoreaByung Chul Koh · First published 1984Open the Tome
Journey to North KoreaC. I. Eugene Kim, Byung Chul Koh, Young W. Kihl · First published 1983Open the Tome
Aspects of administrative development in South KoreaByung Chul Koh · First published 1967Open the Tome