1.
Zygała J, Gutierrez Bartoszewski M. The Role of State Aid in the COVID-19 Pandemic – Polish Case Study. PPUAM / AMU LR [Internet]. 2024 Dec. 31 [cited 2026 Jan. 2];16:215-36. Available from: https://pressto.amu.edu.pl/index.php/ppuam/article/view/46934