Armilla Pohan, C., Raja Saul Marto Hendry, & Nova Jayanti Harahap. (2026). The Influence of Discounts, Free Shipping, and Flash Sales on Impulse Buying Behavior of Online Shop Consumers at Madame Na. International Journal of Educational Research & Social Sciences , 7(4), 342–353. https://doi.org/10.51601/ijersc.v7i4.1062