DEMENKO, Grażyna, Agnieszka WAGNER, and Natalia CYLWIK. “The Use of Speech Technology in Foreign Language Pronunciation Training”. Archives of Acoustics 35, no. 3 (November 11, 2013): 309–329. Accessed April 28, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/227.