PUBLIC PROCUREMENT IN POLAND: EXPERIENCE FOR UKRAINE. Economic journal of Lesya Ukrainka Volyn National University, [S. l.], v. 4, n. 20, p. 166–172, 2019. DOI: 10.29038/2411-4014-2019-04-166-172. Disponível em: https://echas.vnu.edu.ua/index.php/echas/article/view/519.. Acesso em: 5 may. 2024.