Rif’at Bint Sa’eed Bin Ali Al Ghamdi. "Factors affecting the scientific life in Baghdad in the late Abbasi Era (622-656 AH) (1225 -1258 AD)", Annals of the Faculty of Arts, Ain Shams University, 44, July - September (B), 2016, 370-420. doi: 10.21608/aafu.2016.9664