Frankowiak, Joanna, i Agnieszka Lisiecka-Bednarczyk. 2022. „Motives and Importance of Using Webcams in Online Higher Education ”. Kwartalnik Naukowy Fides Et Ratio 50 (2), 62-72. https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/1084.