Zembrzuski, Tadeusz. «EVOLUTION OF PROCEEDINGS IN MATTERS OF LABOUR LAW IN POLAND». Proceedings of the International Scientific Conference "Social Changes in the Global World" 1, no. 10 (ноябрь 6, 2023): 423-433. просмотрено август 4, 2025. https://js.ugd.edu.mk/index.php/scgw/article/view/6130.