Patrycja Dolniak2025-07-252025-07-2520182080-108410.7206/kp.2080-1084.182https://repozytorium.kozminski.edu.pl/handle/item/1962CC-BY-NC-ND-4.0traderbusiness activityregistrationregulationtraderbusiness activityregistrationregulationUnregistered economic activity in the light of Traders’ LawUnregistered economic activity in the light of Traders’ LawArticle