Lytkina, L. V., “The History of the Protojournalism of Ancient Civilizations. Part 2. The Types of Communications of the Hellenistic States and Ancient Roma”, Статьи, Administrative Consulting, nos. 7 (Dec. 2016), 175-8, https://administrative-consulting.owebs.ru/article/view/13142, accessed 8 Nov. 2026.