Nursafitri, Istining Amelia, Rozinul Haq, Yoestini Yoestini, and Kardison Lumban Batu. “Countdown Effect: Time Pressure and Its Influence on Online Impulsive Purchases”. Integra Business Review 3, no. 1 (June 30, 2025): 13–27. Accessed June 6, 2026. https://www.journal.lifescifi.com/index.php/ibr/article/view/1301.