UGLI, U. A. M. . Methodology of Singing Multiple Voices in Music Schools. CENTRAL ASIAN JOURNAL OF ARTS AND DESIGN, [S. l.], v. 3, n. 5, p. 16–20, 2022. Disponível em: https://cajad.casjournal.org/index.php/CAJAD/article/view/121. Acesso em: 26 jan. 2026.