Ghasisin leila, Abnavi F, Rasimahmoudi M, Saberi S. The effect of mouth opening levels on acoustic parameters of voice signal . Canadian Acoustics [Internet]. 2023 Jul. 10 [cited 2024 May 11];51(1). Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3565