“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” (2026) JEIZA : Jurnal Ekonomi Islam Az-Zain, 2(2), pp. 54–68. doi:10.67153/jeiza.2026.v2i2.90.