SATURDAY, David; WIDJAJA, Ady. RANCANG BANGUN SISTEM INFORMASI PENJUALAN BARANG PADA TOKO NEVAN HELMET. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 2, n. 4, p. 30–35, 2018. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1320. Acesso em: 23 jun. 2025.