Definition of the concept of «secret diplomacy» and methods of its implementation in international relations. Law and innovation society, [S. l.], n. 2 (17), p. 171–177, 2022. DOI: 10.37772/2309-9275-2021-2(17)-23. Disponível em: https://apir.org.ua/index.php/lais/article/view/okladna_naumova_myrgorod17. Acesso em: 31 jul. 2025.