Central board for the management of personal estates of the caliph during the ‘Abbasid caliphate (AD 750–945).
Tas‘ir al-’ujrah
Iqtisad
Sahih
Bai‘ al-ma’
Waqf al-nami
Islamic Credit Card
Ma al-kharaj
Akl al-suht
Bai al-subrah
Battah