WAWRZUSISZYN, A. . Illegal Migration to Modern Europe. Methods, Trendenies, Trends. Doctrina. Studia społeczno-polityczne, [S. l.], v. 13, n. 13, p. 253–268, 2019. Disponível em: https://czasopisma.uph.edu.pl/doctrina/article/view/1302. Acesso em: 8 maj. 2024.