BOUHMAMA, Oussama. Russian -Ukrainian relationsand its impact on NATO. مجلة العلوم الإنسانية, Constantine, Algeria, v. 26, n. 2, p. 47–56, 2015. Disponível em: https://revue.umc.edu.dz/h/article/view/2113. Acesso em: 19 2025.