Reydolda С. Problems of Functioning and Prospects of Development of the Competitive Mechanism of Public Procurement in Kazakhstan. Economic series of the Bulletin of L.N. Gumilyov ENU, [S. l.], n. 4, 2023. Disponível em: https://bulecon.enu.kz/index.php/main/article/view/57. Acesso em: 21 jan. 2026.