AIB, Ouided. Competence to conclude public contracts under Presidential Decree 15/247 on Public contrats and Public Service Delegations [. Journal of Human Sciences , Constantine, Algeria, v. 35, n. 3, p. 181–191, 2023. DOI: 10.34174/2htq9a80. Disponível em: http://conferences.umc.edu.dz/h/article/view/5209. Acesso em: 19 oct. 2026.