Wibowo, A. E., and D. A. S. Ambarwati. “Analyzing the Influence of Online Testimonials and Celebrity Endorsements on Consumer Purchase Decisions for Pocari Sweat Isotonic Drinks”. Economics and Digital Business Review, vol. 6, no. 2, May 2025, pp. 1243-54, https://www.ojs.stieamkop.ac.id/index.php/ecotal/article/view/2468.