China Han Liyan, Director of the Voice Research Center of the Central Conservatory of Music, and his team 2020-04-24 China
China On April 16th, the day of World Voice Day, Director Han Liyan was a guest of “Jing Ge Tie Ma” and di 2020-04-24
China Online Clinic and Education Activities of Jiangsu Province Hospital on World Voice Day 2020-04-21
