STOURAITIS, Ioannis. “Jihād and Crusade: Byzantine Positions towards the Notions of ‘holy War’”. Byzantina Symmeikta 21, no. 1 (September 30, 2011): 11–63. Accessed May 1, 2024. https://ejournals.epublishing.ekt.gr/index.php/bz/article/view/3751.