TKACH, D.; SHIYAN, R. Hennady Yosipovych Udovenko: Life Path and Significant Contribution to the Development of International Relations of Ukraine. Problems of World History, [S. l.], n. 30, p. 211–218, 2025. DOI: 10.46869/2707-6776-2025-30-13. Disponível em: https://journal.ivinas.gov.ua/pwh/article/view/357. Acesso em: 4 jun. 2026.