Chrostowski, Mariusz, and Julia Maria Siegert. “On the Role of Music in First Communion Catechesis: Importance and Implications for Practice”. Studia Teologiczne Białystok Drohiczyn Łomża 41 (December 13, 2023): 217–236. Accessed May 19, 2026. https://czasopisma.uksw.edu.pl/st/article/view/12576.