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 2023, 12 (03), 491-509. https://doi.org/10.36540/63w2p708.