PENKOV, Tsvetomir. Archimandrite Irinei Pop Konstantinov – A Little Known Witness to the Christian Faith. Forum Theologicum Sardicense, [S. l.], n. 1, p. 165–181, 2025. Disponível em: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/291. Acesso em: 11 aug. 2025.