Chekalenko , Liudmyla, and Mariya Vasylyeva. “Joining NATO Is Declared a Strategic Aim of Ukraine”. Journal of Vasyl Stefanyk Precarpathian National University 4, no. 3-4 (December 29, 2017): 34–41. Accessed November 22, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/3339.