د. عزة محمد موسى محمد; د. سلوى ابراهيم عمر علي. The role of the Democratic Union Party and the Communist Party in the history of Yemen in Sudan 1986-1989: the international and political journal . The International and Political Journal, [S. l.], v. 61, p. 489–506, 2025. Disponível em: https://ipj.uomustansiriyah.edu.iq/index.php/political/article/view/405. Acesso em: 5 jun. 2026.