| Ducruet, Cesar et Jo, Jin-Cheol 2008 , Transport Reviews, Vol | Defense and Security: A Compendium of National Armed Forces and Security Policies |
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| Coonan, Clifford 21 October 2006 | Calderone, Michael January 16, 2012 |
| Bruce Cumings, Origins of the Korean War Vol | Chol-hwan Kang and Pierre Rigoulot 2005 |
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| The official North Korean governmental portal at• North Korea: The Paranoid Peninsula — A Modern History | John Feffer, North Korea South Korea: U |
"Ranked below them in descending order are forty-seven distinct groups in what must be the most class-differentiated society in the world today.
11| Vladimir, Cyber North Korea, Byakuya Shobo, 2003, paperback, 223 pages,• Ch6 The political economy of aid: Famine in North Korea | The Chosun Ilbo English Edition |
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| Jasper Becker Rogue Regime: Kim Jong Il and the Looming Threat of North Korea Oxford University Press 2005 , hardcover, 328 pages,• Bandow, Doug; Carpenter, Ted Galen 1992 | In North Korea, one's songbun, or socio-economic and class background, is extremely important and is primarily determined at birth |
Hyejin Kim, Jia: A Novel of North Korea, , 2007,• Compiled by the Bureau of Democracy, Human Rights, and Labor.