KONIECZNA-DRZEWIECKA, B. The PASSENGER NAME RECORD (PNR) – REVIEW OF REGULATIONS. GIS Odyssey Journal, [S. l.], v. 1, n. 2, p. 71–82, 2021. DOI: 10.57599/gisoj.2021.1.2.71. Disponível em: https://www.gisjournal.us.edu.pl/index.php/gis-odyssey-journal/article/view/24. Acesso em: 4 dec. 2024.