Vocal self-perception of singers during COVID-19 pandemic - Siqueira, Larissa Thaís Donalonso; Santos, Ana Paula dos; Vitor, Jhonatan da Silva; Moreira, Pamela Aparecida Medeiros; Silva, Rebeca Liaschi Floro; Fernandes, Gabriela; Ribeiro, Vanessa Veis (Journal of Voice, 2024)