WULANDARI, Ayu; SURYADI, Lis. SISTEM INFORMASI PENJUALAN DAN PEMBELIAN PERCETAKAN PT HELLO PRINT. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 1, n. 2, p. 293–297, 2018. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/395. Acesso em: 15 jul. 2025.