Matusz, Łukasz, and Anna Rakowska. “Self-Reported Difficulties in Learning English As a Second Language for Third-Age Students in Poland”. Theory and Practice of Second Language Acquisition 5, no. 1 (June 30, 2019): 113-130. Accessed December 4, 2024. https://journals.us.edu.pl/index.php/TAPSLA/article/view/7109.