Viales-Montero, Rebeca , trans. “Historical Overview of Classical Vocal Pedagogy: A Journey From the Singing Treatises to the Voice Sciences”. Revista Electrónica Educare 26, no. 2 (April 18, 2022): 1–20. Accessed May 3, 2024. https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/14286.