M. Vukmirovic, M. Szymczak, M. Gawinecki, M. Ganzha, and M. Paprzycki, “Designing New Ways for Selling Airline Tickets ”, Informatica, vol. 31, no. 1, Accessed: Sep. 21, 2026. [Online]. Available: https://www.informatica.si/index.php/informatica/article/view/131