Łaguna, T., Drzazga, M., Karpa, A., Pawelec, M., & Piórkowski, M. (2016). Customer transport preferences in services offered by the regional Olsztyn-Mazury airport in Szymany. Annals of Marketing Management & Economics, 2(1), 53–65. https://doi.org/10.22630/AMME.2016.2.1.5