HAJN, Zbigniew. Workplace Whistleblower Protection in the Visegrad Countries, France and Slovenia – Proposals for Changes. W: SKUPIEŃ, Dagmara (red.). Towards a Better Protection of Workplace Whistleblowers in the Visegrad Countries, France and Slovenia. PrawoPoland: Wydawnictwo Uniwersytetu Łódzkiego,2021. p. 211–246. DOI: 10.18778/8220-639-5.11. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/468/chapter/1331. Acesso em: 14 luty. 2026.