HARRI, J. Contemporary Practices of Church Singing at the Valaam Monastery in Heinävesi. Journal of the International Society for Orthodox Music, [S. l.], v. 4, n. 2, p. 259–275, 2020. Disponível em: https://journal.fi/jisocm/article/view/95230. Acesso em: 27 apr. 2024.