OLIVER, J. .; HARRY, T. . ANALYSIS OF POLICE FORCES IN UNITED STATES AND EUROPE IN THE 19TH CENTURY. African Journal of Emerging Issues, [S. l.], v. 3, n. 4, p. 165–175, 2021. Disponível em: https://ajoeijournals.org/sys/index.php/ajoei/article/view/194. Acesso em: 10 mar. 2025.