د . احمد عبد الرحمن عمر. The effect of knowledge management on improving organizational performance: ( دراسة حالة القطاع الصحي ولاية كسلا في العام 2022م). White Nile Journal for Studies and Research, [S. l.], n. 22, p. 163–182, 2023. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/52. Acesso em: 13 jun. 2026.