Sulayman، S. A. A. (2016). Fourth Crusade on Constantinople in 1204 AD. and its Effects on Relations between the Church of Constantinople and Rome. مجلة العلوم والدراسات الإنسانية، ع11 ، 1 - 25. مسترجع من http://search.mandumah.com/Record/763155
Sulayman، Salah A. A. "Fourth Crusade On Constantinople in 1204 AD. and Its Effects On Relations between the Church of Constantinople and Rome." مجلة العلوم والدراسات الإنسانية ع11 (2016): 1 - 25. مسترجع من http://search.mandumah.com/Record/763155