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 [Internet]. 2023 Jun. 11 [cited 2025 Mar. 14];12(03):491-509. Available from: https://alijtihed.univ-tam.dz/article/view/82