The applicability of the Single Registry in the Social Assistance policy of the municipalities of the macro region of Mucuri Valley/MG between 2019 and 2021. Revista de Estudos em Municipalidade, [S. l.], v. 1, n. 1, 2026. Disponível em: https://revistas.apps-teste.ufvjm.edu.br/resmuni/article/view/332. Acesso em: 30 apr. 2026.