DELLISYA, Tasya; WELIM, Yohannes Yahya. RANCANG BANGUN SISTEM INFORMASI PENJUALAN PADA HEYHO GROUP INDONESIA. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 1, n. 4, p. 404–410, 2018. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1191. Acesso em: 24 jan. 2026.