PINGHIRIAC, Georgeta. MANDATORY TECHNICAL ELEMENTS IN THE METAMORPHOSIS OF THE SINGING VOICE. Studia Universitatis Babeș-Bolyai Musica, [S. l.], v. 56, n. 1, p. 109–112, 2011. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/8914. Acesso em: 22 feb. 2025.