IMPROVING PERFORMANCE OF THE NIGERIAN CIVIL SERVICE THROUGH THE NEW PUBLIC MANAGEMENT. Singaporean Journal of Business Economics and Management, [S. l.], v. 4, n. (6), p. 51–62, 2015. Disponível em: http://www.singaporeanjbem.com/index.php/SJBEM/article/view/511. Acesso em: 1 jul. 2026.