Studi Efektivitas Metode Pembayaran Cash on Delivery (COD) dalam Transaksi E-Commerce di Institut Syekh Abdul Halim Hasan Binjai. 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/335. Acesso em: 1 agu. 2026.