ŻEBROWSKI, Andrzej. OPERATIONAL WORK – SECURITY – EFFECTIVENESS. Administrative and Criminal Justice, Rezekne, Latvia, v. 2, n. 71, p. 46–57, 2015. DOI: 10.17770/acj.v2i71.4330. Disponível em: https://journals.ru.lv/index.php/ACJ/article/view/4330.. Acesso em: 5 may. 2024.