| 2007 | International Journal of Korean Unification Studies Vol.16, No. 1 | - |
| 2008 | International Journal of Korean Unification Studies Vol.17, No.2 | - |
| 2012 | International Law and the Inhumanity of Repatriating North Korean Escapees | - |
| 2011 | International Law and the Problem of Repatriating North Koreans Who Have Stated Their Intention to Defect | - |
| 2001 | International Organizations' Assistance to North Korea and Inter-Korean Cooperation | - |
| 2010 | International Response to the Cheonan Incident and Changes in the Northeast Asian Strategic Environment | - |
| 2012 | Interpreting North Korea’s 2012 New Year’s Joint Editorial | - |
| 2011 | Interpreting North Korea’s Joint New Year’s Editorial | - |
| 2015-07-21 | Iran Nuclear Deal Reached, What are the Implications for Solving North Korean Nuclear Issue? | - |
| 2015-08-13 | Is the Era of Pax Sinica Arriving? | - |
| 2012 | Is the Kim Jong-un Regime Ready for Reforms? | - |
| 2018-11-15 | Is Unification a Process or a Result? :Based on the Concepts of Unification Perceived by the Public | - |
| 2012 | Issues Paper | - |
| 2012 | Issues Paper | - |
| 2012 | Japan’s Capabilities to Covet Nuclear Armament | - |
| 2015-09-25 | Japan’s Passage of Legislation for Peace and Security and Seoul’s Diplomacy towards Tokyo | - |
| 2024-04-29 | Japan’s Relentless Resolve to Become a Proactive Player in the Reconfiguration of American Alliance System in the Indo-Pacific | - |
| 2006 | Japan’s Viewpoint toward Peace Forum on the Korean Peninsula | - |
| 1996 | KEDO 체제하에서 남북한 협력증진에 관한 연구 : 협력이론을 중심으로 | - |
| 2023-04-18 | Key Characteristics of Russia’s 2023 ‘Foreign Policy Concept’ and Its Implications | - |