Mohd Nor R. PENGURUSAN BAITUMAL ERA PEMERINTAHAN KHALIFAH UMAR BIN ABDUL AZIZ (Management of Treasury During Era the Reign of Caliph Umar bin Abdul Aziz). JAT [Internet]. 2013 Dec. 31 [cited 2024 May 19];8(2):81-8. Available from: https://ejournal.um.edu.my/index.php/JAT/article/view/8663