KLEJ, Dominik. Digital services in Poland and the Far East - comparative analysis. Journal of Computer Sciences Institute, [S. l.], v. 15, p. 133–138, 2020. DOI: 10.35784/jcsi.2044. Disponível em: https://ph.pollub.pl/index.php/jcsi/article/view/2044. Acesso em: 19 apr. 2024.