The Impact of Foreign Direct Investment on Productivity of Domestic Firms: The Case of Sudanese Banking Industry. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 9, n. 02, p. 2081–2188, 2021. DOI: 10.18535/ijsrm/v9i2.em06. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/2979.. Acesso em: 22 jul. 2024.