The effectiveness of real-time ultrasound visual feedback on tongue movements in L2 pronunciation training 論文 Tanja Kocjančič Antolík・Claire Pillot-Loiseau・Takeki Kamiyama ·2019-03-13 ·『Journal of Second Language Pronunciation』 5(1) pp. 72-97 doi:10.1075/jslp.16022.ant