FARDANI, E.; SIREGAR, S. Pengaruh  Promo Flash Sale dan Viral  Marketing terhadap  Keputusan Pembelian Produk Erigo. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, [S. l.], v. 5, n. 1, p. 140–147, 2023. DOI: 10.47467/elmal.v4i6.311. Disponível em: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/311. Acesso em: 4 may. 2026.