LESZCZYŃSKA - DEJA, Kornelia. Natural heritage in Pałuki region, protection nad supervision of the Regional Director of Environment Protection in Bydgoszcz. Journal of Education, Health and Sport, [S. l.], v. 7, n. 6, p. 819–834, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/4986. Acesso em: 26 dec. 2024.