PENGARUH PENERAPAN LIST BUILDING DAN E-MAIL MARKETING TERHADAP PENINGKATAN LOYALITAS PELANGGAN PADA BISNIS DIGITAL. An-Najah: Journal of Islamic Economics, [S. l.], v. 2, n. 01, 2026. Disponível em: https://jurnal.almaidah.or.id/index.php/JNIE/article/view/788. Acesso em: 29 jul. 2026.