سندس محمود العارف السائح. “The Role of Strategic Planning in Achieving Competitive Advantage in Service Institutions: A Field Study at the Libya Telephone Company - Tripoli Branch – Libya”. African Journal of Advanced Studies in Humanities and Social Sciences 4, no. 4 (October 14, 2025): 271–290. Accessed November 5, 2026. https://www.aaasjournals.com/index.php/ajashss/article/view/1584.