IVANOV , Ivan. Teaching of the Orthodox Faith according to the Principles of Liturgical Byzantine Treatises. Testimonies and Interpretation. Forum Theologicum Sardicense, [S. l.], n. 2, p. 7–62, 2025. Disponível em: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/335. Acesso em: 12 aug. 2025.