Official designation for informal partnership during Fatimids (AD 969–1171) and ’Ayubid (AD 1183–1260) Egypt.
Al-murw'ah
Two-tier ’istisna‘
’ard al-ghil
ACU (Asian Clearing Union)
Al-safiyah
Al-mal al-samit
Al-kala
Al-darb fil ard
Al-gharb
Al-faridah
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