BOLTIVETS, Serhiy. Psychophysiology silence, speaking and singing in the regulation of student learning. Psyhology & society, [S. l.], n. 4, p. 104–120, 2019. Disponível em: https://pis.wunu.edu.ua/index.php/enpis/article/view/941.. Acesso em: 6 may. 2024.