KELEMEN, Zsolt. LATEST INFORMATION TECHNOLOGY DEVELOPMENT IN THE AIRLINE INDUSTRY. Periodica Polytechnica Transportation Engineering, [S. l.], v. 31, n. 1-2, p. 45–52, 2003. Disponível em: https://pp.bme.hu/tr/article/view/1936. Acesso em: 29 mar. 2024.