Mitayani I, Prabowo B. The Impact of Double Date Events, Flash Sales, and Free Shipping on Impulsive Buying Behavior: A Study of Shopee Using University Students in Surabaya. IIJSE [Internet]. 29Oct.2025 [cited 30Apr.2026];9(1):457-74. Available from: https://e-journal.uac.ac.id/index.php/iijse/article/view/7446