Khalaf, M. H. and Saleh, Q. F. (2018) “Economic life in Andalusia on the era of the kings of the sects( 422 - 484 AH 1031 - 1091 AD ) historical - analytical study”, Journal of Tikrit University for Humanities, 25(12), pp. 243–277. doi: 10.25130/jtuh.25.12.2018.11.