“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”. 2023. Alijtihed Journal on Legal and Economic Studies 12 (03): 491-509. https://doi.org/10.36540/63w2p708.