HARUNA , I.; JOSEPH, A.; SAMSON, A. J. Integrated Personnel Payroll and Information System (IPPIS) Panacea for Ghost Workers Syndrome in Nigerian Public Service. International Journal of Public Administration and Management Research , [S. l.], v. 2, n. 5, p. 55-64, 2022. Disponível em: http://journals.rcmss.com/index.php/ijpamr/article/view/547. Acesso em: 19 may. 2024.