Malkowska, A., Malkowski, A. and Tokarz-Kocik, A. (2023) “The impact of the maritime border on the development of Po- land’s border areas in terms of expenses of foreigners and the COVID-19 pandemic”, Quaestiones Geographicae, 42(4), pp. 157–168. doi: 10.14746/quageo-2023-0038.