“The Effect of Twin Date Event Day Promos, Flash Sale, and Shopee Live Discount Vouchers on Product Purchase Decisions for Shopee E-Commerce Users in the Kepung District Area”. Proceeding Kilisuci International Conference on Economic & Business, vol. 3, July 2025, pp. 2477-88, https://doi.org/10.29407/kilisuci.v3i.6363.