NOCUŃ, P. Protection and popularization of archaeological heritage as an object of activity of a nongovernmental organisation supported by a university – an example of medieval ducal tower in Siedlęcin near Jelenia Góra. Archaeologia Historica Polona, [S. l.], v. 29, p. 155–173, 2022. DOI: 10.12775/AHP.2021.009. Disponível em: https://apcz.umk.pl/AHP/article/view/42128. Acesso em: 25 kwi. 2024.