GUBRYNOWICZ, R., CHOJNACKA-WĄDOŁOWSKA, D. and KONOPKA, C. (2014) “Assessment of velum malfunction in children through simultaneous nasal and oral acoustic signals measurements”, Archives of Acoustics, 32(1), pp. 165–175. Available at: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/775 (Accessed: 25 April 2025).