Zakia Afroz. “Business Intelligence for Service Optimization in U.S. Education and Customer-Facing Enterprises: A Prisma Systematic Review of KPI Frameworks”. American Journal of Interdisciplinary Studies 7, no. 01 (January 8, 2026): 315–354. Accessed February 10, 2026. https://ajisresearch.com/index.php/ajis/article/view/107.