Alfira, H., and G. M. A. Chaerani. “The Role of Price Perception and Perceived Risk in Shaping Online Food and Beverage Purchase Decisions”. ProBisnis : Jurnal Manajemen, vol. 16, no. 4, Aug. 2025, pp. 861-8, https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1087.