Progressive Composite and Price-based marketing impact on Airtel Kenya Internet Data segment performance. J. Bus. Financ. East Horn Afr. 2025;1(1):50-58. Accessed November 6, 2025. https://eastafricajournal.org/index.php/jbf-eha/article/view/Progressive_Composite_Price-based_marketing_impact_Airtel_Kenya