SILVA , Amaury Flávio. “ontrasts in the roduction of owels of the nglish anguage: tudied arried ut ith ltrasound and coustic honetics echniques”. Revista CBTecLE 2, no. 1 (July 20, 2018): 097–115. ccessed July 3, 2024. https://revista.cbtecle.com.br/index.php/CBTecLE/article/view/107.