Khudeir Ubaid, T. “The Contacts Between Seljuks and Byzantine State (432-449A.H./1040-1057 A.D.)”. College of Basic Education Research Journal, vol. 13, no. 2, Dec. 2014, pp. 713-32, https://stats.uomosul.edu.iq/index.php/berj/article/view/39311.