Royani, Yadi Janwari, and Sofyan Al-Hakim. “Fiscal Policy in Islam (Pre-Risalah, During the Prophet’s Time and Rashidun Caliphs)”. al-Afkar, Journal For Islamic Studies 7, no. 2 (April 26, 2024): 578–605. Accessed October 16, 2024. https://al-afkar.com/index.php/Afkar_Journal/article/view/1041.