Siti Nur Hadiah Ningrum, Della Fatma Sari, Nova Yanti Maleha. Pengaruh Flash Sale Dan Promo Gratis Ongkir Terhadap Loyalitas Konsumen E-Commerce Shopee. JURBISMAN [Internet]. 2025 Jun. 18 [cited 2026 Aug. 5];3(2):425-32. Available from: https://ejournal.lapad.id/jurbisman/article/view/1127