Awad, Muthanna, and Saad Abdullah. “Tribute and Abscess through the Book of Al-Amwal for Dawoodi (402 AH / 1011 CE)”. Islamic Sciences Journal 11, no. 4 (March 17, 2023): 190–219. Accessed May 5, 2024. https://jis.tu.edu.iq/index.php/jis/article/view/158.