ARDIANSAH, Irfan; PUJIANTO, Totok; AHMAD, Faisal. PENGEMBANGAN APLIKASI TRANSAKSI JUAL BELI KOPI DI PT GOLDEN MALABAR INDONESIA. Ultimatics : Jurnal Teknik Informatika, [S. l.], v. 11, n. 1, p. 28–37, 2019. DOI: 10.31937/ti.v11i1.1089. Disponível em: https://ejournals.umn.ac.id/index.php/TI/article/view/1089. Acesso em: 4 aug. 2025.