POKOTYLO, . O. .; NASHYVOCHNIKOV, . O. SOURCES OF THE RUSSIAN-UKRAINIAN ARMED CONFLICT. EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 18, p. 210–218, 2021. DOI: 10.24919/2519-058X.18.226536. Disponível em: http://eehb.dspu.edu.ua/article/view/226536. Acesso em: 5 nov. 2024.