SPYCHAŁA, Aleksandra; GRAJA-ZWOLIŃSKA, Sylwia. The Tourism Flow Monitoring in National Parks. Regional Barometer. Analyses & Prognoses, [S. l.], v. 12, n. 4, p. 171–177, 2015. DOI: 10.56583/br.995. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/995. Acesso em: 18 jun. 2025.