O. Trygub, O. Osypenko, M. Fedorenko, and O. Konotopenko, “Missions of the Russian Orthodox Church as a Tool of Diplomacy: from History to the Present: Misiones de la Iglesia Ortodoxa Rusa como herramienta de la diplomacia: de la historia al presente”, CP, vol. 41, no. 76, pp. 100-115, Feb. 2023.