Causal Relationship Modeling Between Blue Ocean Strategy and Competitive AdvantageA field study of banking institutions in the state of Tamanrasset -Algeria. renaf [Internet]. 14 juill. 2025 [cité 22 oct. 2026];19(32):55-70. Disponible sur: https://journals.univ-chlef.dz/index.php/renaf/article/view/520