Vladimirovich Kolobanov, Alexey. «Organization of Choir Singing in Churches As a Means of Raising and Developing Children». Propósitos y Representaciones 9, no. SPE3 (mayo 4, 2021): e1263. Accedido mayo 4, 2024. https://revistas.usil.edu.pe/index.php/pyr/article/view/1263.