EL AMRY, Abdelkader. Professionalization of Public Buyers: Determining Primordial Effectiveness of Public Order. European Scientific Journal, ESJ, [S. l.], v. 14, n. 22, p. 54, 2018. DOI: 10.19044/esj.2018.v14n22p54. Disponível em: https://test.eujournal.org/index.php/esj/article/view/11106. Acesso em: 18 apr. 2025.