Ahmed Al- Khidr, Z. H. and Abdullah Saleh, T. H. (2022) “Functional Aspects of Bab al-Nubi in Baghdad until the Mongol Occupation in the Year (656 AH / 1258 AD)”, Journal of Tikrit University for Humanities, 29(12, 2), pp. 355–380. doi: 10.25130/jtuh.29.12.2.2022.16.