Hubungan Promosi dan Harga Produk dengan Keputusan Pembelian Konsumen. An-Najah: Journal of Islamic Economics, [S. l.], v. 1, n. 01, 2026. Disponível em: https://jurnal.almaidah.or.id/index.php/JNIE/article/view/290. Acesso em: 5 nov. 2026.