Agheana, Viorel, and Ligia Mircea. “Effectiveness of Using the Resonant Vocal Techniques in Singing Voice Disorders”. Review of Psychopedagogy 11, no. 1 (December 14, 2022): 88–97. Accessed April 30, 2026. https://psychopedagogy.unibuc.ro/index.php/RoP/article/view/45.