Ivan Stoyanov Ivanov (Kiumurdzhiysky), D. (2025) “Liturgical Phenomenology of the Christian Art: Sacred Music, Iconography and Liturgical Text in the Regulations of the Ecumenical Councils and the Textimony of the Fathers”, Forum Theologicum Sardicense, (2), pp. 17–52. Available at: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/441 (Accessed: 25 September 2025).