Brazil | Events 2018 Semana da Voz – UFPB (Atividade junto aos estudantes da Escola Zumbi dos Palmares) 2018-04-19
Events 2018 | Russia Lesson dedicated to the World Voice Day about characteristics of children voice 2018-04-16
Events 2018 | Uzbekistan Conference dedicated to the World Voice Day “How to protect voice, modern methods of examination and 2018-04-10