PENGARUH BIG FLASH SALE, VOUCHER DISKON, DAN PROMO GRATIS ONGKIR TERHADAP IMPULSIVE BUYING. jcsh [Internet]. 2026 Apr. 15 [cited 2026 Sep. 23];3(2):115-30. Available from: https://ojs.shahida.or.id/index.php/composite/article/view/123