Events 2017 | Russian Federation Lecture “ Voice hygiene for teachers of a high school” 2017-03-30 Events 2017, Russian Federation
Brazil | Events 2017 Ação dia mundial da voz no ITEGO EM ARTES BASILEU FRANÇA: Seja amigo da sua voz. 2017-04-19
Events 2017 | Russian Federation Lecture “ Chronic pathology of larynx in children and adults” 2017-04-27
Events 2017 | Germany Beatboxing für Musikbegeisterte von 5 bis 80 Jahren (Workshop, Tag 2/2) 2017-01-282024-02-02
