CAHYADI, Adi. Mengamankan Transaksi di Internet: Suatu Tinjauan Terhadap Justifikasi dan Metode. Journal The Winners, [S. l.], v. 5, n. 1, p. 34–44, 2004. DOI: 10.21512/tw.v5i1.3826. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/3826. Acesso em: 30 jul. 2025.