PTAK, Jarosław. Forest definition in the Forest Act. Prawne Problemy Górnictwa i Ochrony Środowiska, [S. l.], n. 1, p. 67–84, 2016. Disponível em: https://journals.us.edu.pl/index.php/ppgos/article/view/11231. Acesso em: 5 nov. 2026.