“Analisis Manajemen Kas Negara Masa Khulafaur Rasyidin Dan Sentralisasi Birokrasi Keuangan Masa Dinasti Abbasiyah: Analysis of State Cash Management in the Era of Guided Caliphate and the Centralization of Financial Bureaucracy in the Abbasid Dynasty”. JEIZA : Jurnal Ekonomi Islam Az-Zain, vol. 2, no. 2, Feb. 2026, pp. 54-68, https://doi.org/10.67153/jeiza.2026.v2i2.90.