Szalkowska-Kim, Emilia. “Factors Influencing the Pronunciation of Adult Speakers of a Foreign Language”. Lingua Posnaniensis 56, no. 1 (June 1, 2014): 141–158. Accessed November 24, 2024. https://pressto.amu.edu.pl/index.php/linpo/article/view/linpo-2014-0009.