Kozicki B, Britchenko I, Ovsepyan A, Grabowska S. Forecasting of the number of air passengers in the United States in terms of the mainte-nance of economic security during the impact of COVID-19. POLISPOL [Internet]. 7 listopad 2021 [cytowane 24 listopad 2024];19(3):36-49. Dostępne na: https://journals.ur.edu.pl/polispol/article/view/2788