The role of quality management in achieving the competitiveness of the enterprise. Case study of the Sonelgaz Foundation in Saida: The role of quality management in achieving the competitiveness of the enterprise. Case study of the Sonelgaz Foundation in Saida. Alijtihed Journal on Legal and Economic Studies, [S. l.], v. 12, n. 03, p. 491–509, 2023. DOI: 10.36540/63w2p708. Disponível em: https://alijtihed.univ-tam.dz/article/view/82.. Acesso em: 1 feb. 2025.