IVANE, Madara; TRINĪTE, Baiba. THE POTENTIAL AND WORKING VOCAL RANGE OF GIRLS AGED 6 TO 12. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 4, p. 550–563, 2021. DOI: 10.17770/sie2021vol4.6443. Disponível em: https://archive-journals.rtu.lv/sie/article/view/2886.. Acesso em: 11 mar. 2026.