“Nicaea, the First Capital of the Roman Seljuks (AH 471-490 1078-1097 AD)”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES 61, no. 4 (December 15, 2022): 379–400. Accessed December 19, 2024. https://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/1942.