Malkowski, A., Bieszk-Stolorz, B., Dawidowicz, D., Zbaraszewski, W. and Balas, M. (2022) “Sustainable tourism as a factor in the development of protected areas in the Pomerania Euroregion”, Economics and Environment, 80(1), pp. 189–216. doi: 10.34659/eis.2022.80.1.442.