SUHANDONO, Erwin; PUTRA, Agung Trilaksono Suwarto. Sistem Informasi Loyalty Program di Layanan Penjualan Produk Software pada Bagian Point of Sales PT. XYZ. Jurnal ASIIMETRIK Jurnal Ilmiah Rekayasa & Inovasi, [S. l.], v. 3, n. 1, p. 17–28, 2021. DOI: 10.35814/asiimetrik.v3i1.1647. Disponível em: https://journal.univpancasila.ac.id/index.php/asiimetrik/article/view/1647. Acesso em: 29 sep. 2026.