Mohd Nor, Radieah. “PENGURUSAN BAITUMAL ERA PEMERINTAHAN KHALIFAH UMAR BIN ABDUL AZIZ (Management of Treasury During Era the Reign of Caliph Umar Bin Abdul Aziz)”. Journal of Al-Tamaddun 8, no. 2 (December 31, 2013): 81–88. Accessed November 21, 2024. https://jml.um.edu.my/index.php/JAT/article/view/8663.