Impact of the procurement policy on financial efficiency of operating systems in the Republic of Srpska. Acta Economica, [S. l.], v. 14, n. 25, p. 147–168, 2016. DOI: 10.7251/ACE1625147G. Disponível em: https://ae.ef.unibl.org/index.php/ae/article/view/341.. Acesso em: 25 nov. 2024.