Sari, Inten Permata, and Timotius FCW Sutrisno. “Modeling the Dynamic Impact of TikTok Advertising Expenditure on Skincare Product Demand: Evidence from Time Series Analysis”. Journal of Economics and Management Scienties, vol. 8, no. 3, Apr. 2026, pp. 846-59, doi:10.37034/jems.v8i3.411.