Sienkiewicz, Witold, and Czesław Adamiak. “Hitchhiking: History, Digitalisation and the Future After the COVID-19 Pandemic”. Sport and Tourism Central European Journal 6, no. 4 (December 16, 2023): 153–175. Accessed December 22, 2024. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/1969.