BISMA ARIF WARRIACH; MUHAMMAD UMAIR RAFIQ. NATO’s Expansion versus Putin’s Imperial Ambitions: Analyzing NATO’s Role in Russia-Ukraine Crisis in the 21st Century. International Journal of Policy Studies , [S. l.], v. 4, n. 2, 2024. Disponível em: http://www.ijpstudies.com/index.php/ijps/article/view/65. Acesso em: 25 oct. 2026.