KUBERSKA, D.; RUSZCZYK, K. To Pay or Not to Pay? Investigating Students’ Willingness to Pay for ChatGPT. Olsztyn Economic Journal, [S. l.], v. 20, n. 2, p. 169–183, 2025. DOI: 10.31648/oej.11625. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/11625. Acesso em: 5 dec. 2025.