The Role of Promotion and Transfer Policy in Improving Staff Performance: A Case Study at the University of Dongola, Republic of Sudan. The Arab Journal of Administration, Cairo, v. 39, n. 3, p. 161–176, 2019. DOI: 10.21608/aja.2019.48492. Disponível em: https://ajajournal.org/index.php/aja/article/view/419. Acesso em: 12 jun. 2026.