Sypiańska, Jolanta, and Elena-Raluca Constantin. “New Vs. Similar Sound Production Accuracy: The Uneven Fight”. Yearbook of the Poznan Linguistic Meeting 7, no. 1 (September 25, 2021): 155-179. Accessed October 2, 2022. https://pressto.amu.edu.pl/index.php/yplm/article/view/29443.