Lisohorova, Kateryna, and Diana Svystun. “From the League of Nations to the UN: The History of the Formation of Universal International Collective Security Organizations”. Actual problems of law 1, no. 3 (December 19, 2020): 5–11. Accessed May 20, 2024. https://appj.wunu.edu.ua/index.php/apl/article/view/1017.