Musab Himmadi Najam, Dr. “Military Feudal System, Its Establishment and Development From Salgoks Era till AL-Mamluks Era”. College of Basic Education Research Journal 11, no. 3 (September 1, 2012): 338–365. Accessed October 25, 2025. https://stats.uomosul.edu.iq/index.php/berj/article/view/39258.