THE EVOLUTION OF ROMAN FRONTIER CONCEPT AND POLICY. JOURNAL OF ANCIENT HISTORY AND ARCHAEOLOGY, [S. l.], v. 2, n. 1, 2015. DOI: 10.14795/j.v2i1.91. Disponível em: http://jaha.org.ro/index.php/JAHA/article/view/91. Acesso em: 8 dec. 2025.