KOPYTKO, Marta; PAZIEIEVA, Anna; KHOROSHENIUK, Andrii; MATVIIENKO, Mykhailo; Vinichuk Мariya. Shadow employment in Eastern Europe: practical aspects of evaluation and counteraction. Business: Theory and Practice, [S. l.], v. 20, p. 485–491, 2019. DOI: 10.3846/btp.2019.45. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/11192. Acesso em: 9 may. 2025.