DU, Enbo; IDRIS, Mariam Oluwatoyin. Breaking the Sound Barrier: Spectrum–Based Pedagogies in Modern Vocal Music Education. Jurnal Cakrawala Pendidikan, [S. l.], v. 44, n. 3, 2025. DOI: 10.21831/cp.v44i3.84011. Disponível em: https://journal.uny.ac.id/index.php/cp/article/view/84011. Acesso em: 20 oct. 2025.