Moussi sihem, Moussi sihem. “The Effectof Strategic Orientationonthe Competitive Advantage Case Study : A Sample of Economic Companies in "Biskra”. Milev Journal of Research and Studies 6, no. 2 (December 31, 2020): 543–559. Accessed July 27, 2024. https://jiamcs.centre-univ-mila.dz/index.php/mjrs/article/view/630.