Essential measurement and evaluation of level of customs security. World of finance, [S. l.], n. 1(50), p. 52–68, 2019. DOI: 10.35774/sf2017.01.052. Disponível em: http://sf.wunu.edu.ua/index.php/wof/article/view/1107. Acesso em: 1 may. 2025.