د. عبد الرحمن عبد الله كبسور. The impact of foreign direct investment on the level of unemployment in Sudan During the period (1990- 2014. White Nile Journal for Studies and Research, [S. l.], n. 15, p. 1–30, 2020. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/136. Acesso em: 13 jun. 2026.