Collective Security Treaty Organization (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Collective Security Treaty Organization" in Simple English language version.

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books.google.com

Taylor & Francis (2020). "Republic of Crimea". The Territories of the Russian Federation 2020. Routledge. ISBN 978-1-003-00706-7. Note: The territories of the Crimean peninsula, comprising Sevastopol City and the Republic of Crimea, remained internationally recognised as constituting part of Ukraine, following their annexation by Russia in March 2014.
ed, Alexei G. Arbatov ... (1999). Russia and the West : the 21st century security environment. Armonk, NY [u.a.]: Sharpe. p. 62. ISBN 978-0765604323. Retrieved 25 February 2015.