GAVEIKA, Artūrs. SCHENGEN BORDERS CODE IN THE ASPECT OF BORDER SECURITY. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 6, p. 56–64, 2021. DOI: 10.17770/sie2021vol6.6478. Disponível em: https://journals.ru.lv/index.php/SIE/article/view/6478.. Acesso em: 2 may. 2024.