Hryniuk, Katarzyna. “Expressing Authorial Self in Research Articles Written by Polish and English Native-Speaker Writers: A Corpus-Based Study”. Studies in Second Language Learning and Teaching 8, no. 3 (August 27, 2018): 621–642. Accessed May 5, 2024. https://pressto.amu.edu.pl/index.php/ssllt/article/view/10026.