Kwalliso

Kwalliso atau kwan-li-so, adalah salah satu dari tiga bentuk penahanan di Korea Utara, dua lainnya adalah Hawk yang diterjemahkan menjadi "penahanan jangka pendek/pusat buruh paksa" dan "kamp buruh penjara jangka panjang". Sekitar 80.000 sampai 120.000 orang menjadi tahanan politik di negara tersebut.

Bacaan tambahan

• Harden, Blaine (2012). Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West. Viking. ISBN 978-0-670-02332-5. 

Pranala luar

• Report of the Commission of Inquiry on Human Rights in the Democratic People's Republic of Korea—detailed report, resources include maps and satellite photographs of camps
• Amnesty International: North Korea: Political Prison Camps - Document on conditions in North Korean prison camps
• "Political Prison Camps in North Korea Today" (PDF). Database Center for North Korean Human Rights. Diarsipkan dari versi asli (PDF) tanggal 2013-10-19.  –Comprehensive analysis of various aspects of life in political prison camps
• Freedom House: Concentrations of inhumanity Diarsipkan 2011-09-08 di Wayback Machine.–Analysis of the phenomena of repression associated with North Korea's political labor camps
• Christian Solidarity Worldwide: North Korea: A case to answer–a call to act–Report to emphasize the urgent need to respond to mass killings, arbitrary imprisonment, torture and related international crimes
• Washington Post: North Koreas Hard Labor Camps - Explore North Korean prison camps with interactive map
• Stanton, Joshua. "North Korea's Largest Concentration Camps on Google Earth". One Free Korea.