RESZEL, R.; GRĄDZIEL, T.; STRUPIENIUK, Z.; KOTUŁA, Z.; GRABOWSKI, T. Forty Years of the Roztocze National Park. Regional Barometer. Analyses & Prognoses, [S. l.], v. 12, n. 4, p. 7–17, 2015. DOI: 10.56583/br.978. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/978. Acesso em: 8 nov. 2024.