2022 Reuters. "Russia says first phase of Ukraine operation mostly complete, focus now on Donbass", Yahoo! Finance, 25 de março de 2022. "Sumy region liberated
Publishing Group Sejersted, Francis, 1936– (2011). The age of social democracy : Norway and Sweden in the twentieth century. [S.l.]: Princeton University
Porsgrunn, Norway: New Compass (em inglês). ISBN 9788293064428. 2017 - Defending a Civilisation. (em inglês) 2017 - The Political Thought of Abdullah Öcalan
Commission. 24 páginas. Consultado em 3 de agosto de 2010 «Economic Survey ofNorway 2010: Sustainable development: climate change and fisheries policies»