Budgeting as a tool for effective management control in the Nigerian immigration service. Review of Public Administration and Management (ROPAM), [S. l.], v. 12, n. 1, p. 45–49, 2023. Disponível em: https://j.arabianjbmr.com/index.php/ropam/article/view/1173. Acesso em: 16 aug. 2026.