YEREMIEIEVA, Iryna; MARHULOV, Artur. INTERNATIONAL NEGOTIATIONS AS AN OBJECT OF METHODOLOGICAL ANALYSIS IN THE CONTEXT OF HYBRID WARS. Current Problems of Sustainable Development, [S. l.], v. 3, n. 5, p. 264–269, 2026. DOI: 10.60022/3(5)-32S. Disponível em: https://journals.csr.com.ua/index.php/sustainability/article/view/548. Acesso em: 26 jun. 2026.