OAIKHENA, Igbelokoto Marvellous. Administrative bottlenecks hindering efficiency in the practice of public administration. Singaporean Journal of Business Economics and Management, [S. l.], v. 11, n. 3, p. 47–51, 2025. Disponível em: https://www.singaporeanjbem.com/index.php/SJBEM/article/view/578. Acesso em: 1 may. 2026.