HOSHMAND BAPIR OTHMAN; AKO BURHAN MOHAMMED. Management and Organization of letters and Intelligence Work during the Rule of the Buyids and Seljuks in Iraq and Iran (-334590 AH / 945 -1191 AD) . Zanco Journal of Human Sciences , [S. l.], v. 28, n. SpC, p. 116–126, 2024. DOI: 10.21271/zjhs.28.SpC.7. Disponível em: https://zancojournal.su.edu.krd/index.php/JAHS/article/view/1706. Acesso em: 12 may. 2026.