Pastorek, Štěpán and Tomšej, J. 2025. The Balance Between National Sovereignty and Economic Migration: Are Quota Systems Discriminatory and Do Foreigners Have a Right to Work Permits?. Przegląd Prawniczy Uniwersytetu im. Adam Mickiewicza. 17, (Dec. 2025), 151–172. DOI:https://doi.org/10.14746/ppuam.2025.17.06.