Sekretarev С. А. “Atheistic Propaganda in the Udmurt ASSR During the Period of Khrushchev’s Persecutions”. The Church Historian, no. 2 (12) (June 15, 2023): 97–121. Accessed November 7, 2026. https://publishing.mpda.ru/index.php/the-church-historian/article/view/1450.