1.
Karwowski M. THE EFFECTS OF THE EVOLUTION OF THE BUSINESS MODEL IN A PERIOD OF ECONOMIC CRISIS — A STUDY OF ANNUAL REPORTS OF SELECTED AIRLINES. E&P [Internet]. 2015 Dec. 31 [cited 2023 Jan. 26];14(4):479-90. Available from: https://apcz.umk.pl/EiP/article/view/EiP.2015.031