Abel J, Allen B, Burton S, Kazama M, Kim B, Noguchi M, Tsuda A, Yamane N, Gick B. Ultrasound-Enhanced Multimodal Approaches to Pronunciation Teaching and Learning. Canadian Acoustics [Internet]. 2015 Sep. 8 [cited 2024 Dec. 3];43(3). Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2805