WAYS TO IMPROVE THE EFFICIENCY OF PUBLIC PROCUREMENT. International Journal of Advance Scientific Research, [S. l.], v. 3, n. 01, p. 19–22, 2023. DOI: 10.37547/ijasr-03-01-04. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/169. Acesso em: 22 jun. 2025.