Słowik, Agata. “Different Perspectives on the Use of L1 InTeaching English to the Elderly”. Journal of Education Culture and Society 7, no. 2 (September 10, 2016): 199–216. Accessed May 8, 2025. https://www.ogrodynauk.pl/index.php/jecs/article/view/10.15503.jecs20162.199.216.